First Sagittarius A Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole by Event Horizon Telescope Collaboration, Alef, Walter, Carlos Algaba, Juan, Barrett, John, Bouman, Katherine L., Broderick, Avery E., Broguiere, Dominique, Bronzwaer, Thomas, Bustamante, Sandra, Carlstrom, John E., Chael, Andrew, Cho, Ilje, Cordes, James M., Cruz-Osorio, Alejandro, Dexter, Jason, Eatough, Ralph P., Emami, Razieh, Freeman, William T., Galison, Peter, Gómez-Ruiz, Arturo I., Gurwell, Mark, Hada, Kazuhiro, Hecht, Michael H., Ho, Luis C., Hughes, David H., Karami, Mansour, Karuppusamy, Ramesh, Keating, Garrett K., Kim, Dong-Jin, Kocherlakota, Prashant, Kofuji, Yutaro, Koch, Patrick M., Koyama, Shoko, Kramer, Carsten, Kramer, Michael, Krichbaum, Thomas P., Kuo, Cheng-Yu, Bella, Noemi La, Lee, Sang-Sung, Levis, Aviad, Li, Zhiyuan, Lindahl, Greg, Liu, Jun, Liu, Kuo, Lo, Wen-Ping, Lonsdale, Colin J., Marchili, Nicola, Marscher, Alan P., Matsushita, Satoki, Matthews, Lynn D., Mizuno, Izumi, Moran, James M., Müller, Cornelia, Musoke, Gibwa, Myserlis, Ioannis, Nakamura, Masanori, Narayan, Ramesh, Natarajan, Iniyan, Navarro Fuentes, Santiago, Neilsen, Joey, Nowak, Michael A., Oh, Junghwan, Okino, Hiroki, Palumbo, Daniel C. M., Park, Jongho, Parsons, Harriet, Pesce, Dominic W., Porth, Oliver, Pötzl, Felix M., Prather, Ben, Psaltis, Dimitrios, Pu, Hung-Yi, Ramakrishnan, Venkatessh, Ripperda, Bart, Roelofs, Freek, Rogers, Alan, Romero-Cañizales, Cristina, Roy, Alan L., Sánchez, Salvador, Sánchez-Argüelles, David, Savolainen, Tuomas, Schloerb, F. Peter, Shao, Lijing, Sohn, Bong Won, Tiede, Paul, Tilanus, Remo P. J., Trent, Tyler, Turk, Matthew, van Rossum, Daniel R., Ward-Thompson, Derek, Weintroub, Jonathan, Wex, Norbert, Wielgus, Maciek, Wondrak, Michael F., Young, Ken, Younsi, Ziri, Yuan, Ye-Fei, Zhao, Guang-Yao, Ressler, Sean, White, Chris

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Expanding Sgr A dynamical imaging capabilities with an African extension to the Event Horizon Telescope by La Bella, Noemi, Issaoun, Sara, Roelofs, Freek, Fromm, Christian, Falcke, Heino

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First Sagittarius A Event Horizon Telescope Results. VI. Testing the Black Hole Metric by Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alef, Walter, Algaba, Juan Carlos, Asada, Keiichi, Barrett, John, Bintley, Dan, Blackburn, Lindy, Bouman, Katherine L., Broderick, Avery E., Broguiere, Dominique, Bronzwaer, Thomas, Byun, Do-Young, Carlstrom, John E., Chael, Andrew, Chatterjee, Koushik, Chatterjee, Shami, Chen, Yongjun, Cho, Ilje, Conroy, Nicholas S., Cordes, James M., Crawford, Thomas M., Cruz-Osorio, Alejandro, Dempsey, Jessica, Dexter, Jason, Ford, H. Alyson, Freeman, William T., Galison, Peter, Gómez-Ruiz, Arturo I., Haworth, Kari, Hecht, Michael H., Ho, Luis C., Ho, Paul, Honma, Mareki, Huang, Chih-Wei L., Hughes, David H., Ikeda, Shiro, Impellizzeri, C. M. Violette, James, David J., Johnson, Michael D., Karami, Mansour, Karuppusamy, Ramesh, Keating, Garrett K., Kim, Dong-Jin, Kino, Motoki, Kocherlakota, Prashant, Koch, Patrick M., Kramer, Carsten, Kramer, Michael, Krichbaum, Thomas P., Kuo, Cheng-Yu, Lee, Sang-Sung, Leung, Po Kin, Levis, Aviad, Liu, Jun, Liu, Kuo, Loinard, Laurent, Lonsdale, Colin J., Lu, Ru-Sen, Marchili, Nicola, Marscher, Alan P., Matthews, Lynn D., Mizuno, Izumi, Moriyama, Kotaro, Mus, Alejandro, Myserlis, Ioannis, Nakamura, Masanori, Narayanan, Gopal, Neilsen, Joey, Nowak, Michael A., Oh, Junghwan, Pen, Ue-Li, Piétu, Vincent, Porth, Oliver, Pötzl, Felix M., Prather, Ben, Psaltis, Dimitrios, Rao, Ramprasad, Raymond, Alexander W., Rezzolla, Luciano, Ricarte, Angelo, Roelofs, Freek, Rogers, Alan, Romero-Cañizales, Cristina, Roshanineshat, Arash, Roy, Alan L., Rygl, Kazi L. J., Sánchez, Salvador, Sánchez-Argüelles, David, Savolainen, Tuomas, Schloerb, F. Peter, Schonfeld, Jonathan, Trent, Tyler, Turk, Matthew, van Bemmel, Ilse, Ward-Thompson, Derek, Wex, Norbert, Wielgus, Maciek, Yamaguchi, Paul, Zhao, Guang-Yao

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First Sagittarius A Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole by Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Barrett, John, Bintley, Dan, Bouman, Katherine L., Broderick, Avery E., Broguiere, Dominique, Bustamante, Sandra, Byun, Do-Young, Carlstrom, John E., Chael, Andrew, Chatterjee, Shami, Chen, Yongjun, Cho, Ilje, Cordes, James M., Crawford, Thomas M., Davelaar, Jordy, Dempsey, Jessica, Dexter, Jason, Eatough, Ralph P., Ford, H. Alyson, Freeman, William T., Galison, Peter, Gold, Roman, Gurwell, Mark, Haworth, Kari, Hecht, Michael H., Ho, Luis C., Honma, Mareki, Hughes, David H., Ikeda, Shiro, Inoue, Makoto, Issaoun, Sara, Jiménez-Rosales, Alejandra, Karami, Mansour, Karuppusamy, Ramesh, Keating, Garrett K., Kim, Dong-Jin, Kino, Motoki, Koay, Jun Yi, Koch, Patrick M., Kramer, Carsten, Kramer, Michael, Krichbaum, Thomas P., Bella, Noemi La, Lee, Sang-Sung, Leung, Po Kin, Levis, Aviad, Liu, Jun, Liu, Kuo, Lo, Wen-Ping, Lonsdale, Colin J., Lu, Ru-Sen, Marchili, Nicola, Marscher, Alan P., Matsushita, Satoki, Matthews, Lynn D., Mizuno, Izumi, Moscibrodzka, Monika, Mus, Alejandro, Myserlis, Ioannis, Neilsen, Joey, Nowak, Michael A., Oh, Junghwan, Olivares, Héctor, Palumbo, Daniel C. M., Park, Jongho, Pesce, Dominic W., Piétu, Vincent, Pötzl, Felix M., Prather, Ben, Psaltis, Dimitrios, Rawlings, Mark G., Raymond, Alexander W., Rezzolla, Luciano, Ripperda, Bart, Roelofs, Freek, Rogers, Alan, Romero-Cañizales, Cristina, Roshanineshat, Arash, Roy, Alan L., Rygl, Kazi L. J., Sánchez, Salvador, Sánchez-Argüelles, David, Savolainen, Tuomas, Schloerb, F. Peter, Schonfeld, Jonathan, Sohn, Bong Won, Tilanus, Remo P. J., Trent, Tyler, Turk, Matthew, van Bemmel, Ilse, Ward-Thompson, Derek, Wex, Norbert, Wielgus, Maciek, Zhao, Guang-Yao

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First Sagittarius A Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass by Event Horizon Telescope Collaboration, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Barrett, John, Bintley, Dan, Bouman, Katherine L., Broderick, Avery E., Broguiere, Dominique, Bustamante, Sandra, Carlstrom, John E., Chael, Andrew, Chen, Yongjun, Cho, Ilje, Cordes, James M., Crawford, Thomas M., Cruz-Osorio, Alejandro, Davelaar, Jordy, Dempsey, Jessica, Dexter, Jason, Ford, H. Alyson, Freeman, William T., Galison, Peter, Gómez-Ruiz, Arturo I., Gurwell, Mark, Haworth, Kari, Hecht, Michael H., Ho, Luis C., Ho, Paul, Honma, Mareki, Hughes, David H., Ikeda, Shiro, Issaoun, Sara, Jiménez-Rosales, Alejandra, Jung, Taehyun, Karami, Mansour, Karuppusamy, Ramesh, Keating, Garrett K., Kim, Dong-Jin, Kim, Jae-Young, Kim, Jongsoo, Kino, Motoki, Koay, Jun Yi, Kocherlakota, Prashant, Koch, Patrick M., Kramer, Carsten, Kramer, Michael, Krichbaum, Thomas P., Bella, Noemi La, Lee, Sang-Sung, Levis, Aviad, Liu, Jun, Liu, Kuo, Loinard, Laurent, Lonsdale, Colin J., Lu, Ru-Sen, Marchili, Nicola, Marscher, Alan P., Matsushita, Satoki, Matthews, Lynn D., Mizuno, Izumi, Moriyama, Kotaro, Moscibrodzka, Monika, Mus, Alejandro, Myserlis, Ioannis, Neilsen, Joey, Nowak, Michael A., Oh, Junghwan, Olivares, Héctor, Paraschos, Georgios Filippos, Park, Jongho, Patel, Nimesh, Pen, Ue-Li, Piétu, Vincent, Plambeck, Richard, Pötzl, Felix M., Prather, Ben, Preciado-López, Jorge A., Rao, Ramprasad, Rottmann, Helge, Roy, Alan L., Ruszczyk, Chet, Rygl, Kazi L. J., Sánchez, Salvador, Sánchez-Argüelles, David, Sánchez-Portal, Miguel, Schonfeld, Jonathan, Small, Des, Sohn, Bong Won, SooHoo, Jason, Sun, He, Torne, Pablo, Trippe, Sascha, van Bemmel, Ilse, van Rossum, Daniel R., Wardle, John, Wex, Norbert, Yamaguchi, Paul, Zhang, Shuo

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Resolving the Inner Parsec of the Blazar J1924–2914 with the Event Horizon Telescope by Issaoun, Sara, Wielgus, Maciek, Jorstad, Svetlana, Krichbaum, Thomas P., Gómez, José L., Mościbrodzka, Monika, Lico, Rocco, Liu, Jun, Fuentes, Antonio, Moriyama, Kotaro, Tiede, Paul, Mizuno, Yosuke, Traianou, Efthalia, Davelaar, Jordy, Algaba, Juan Carlos, Anantua, Richard, Azulay, Rebecca, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Bintley, Dan, Bouman, Katherine L., Britzen, Silke, Byun, Do-Young, Carlstrom, John E., Ceccobello, Chiara, Chen, Ming-Tang, Christian, Pierre, Cordes, James M., Crawford, Thomas M., Deane, Roger, Desvignes, Gregory, Dexter, Jason, Doeleman, Sheperd S., Emami, Razieh, Fish, Vincent L., Freeman, William T., Galison, Peter, García, Roberto, Gentaz, Olivier, Georgiev, Boris, Gold, Roman, Gómez-Ruiz, Arturo I., Haggard, Daryl, Ho, Luis C., Huang, Chih-Wei L., Hughes, David H., Inoue, Makoto, James, David J., Johnson, Michael D., Kim, Dong-Jin, Kim, Jongsoo, Kim, Junhan, Kino, Motoki, Kocherlakota, Prashant, Koch, Patrick M., Kramer, Michael, Kuo, Cheng-Yu, Lauer, Tod R., Leung, Po Kin, Lindqvist, Michael, Liuzzo, Elisabetta, Lonsdale, Colin, Mao, Jirong, Marchili, Nicola, Marscher, Alan P., Matsushita, Satoki, Matthews, Lynn D., Menten, Karl M., Musoke, Gibwa, Myserlis, Ioannis, Nadolski, Andrew, Narayan, Ramesh, Neilsen, Joey, Park, Jongho, Parsons, Harriet, Pen, Ue-Li, PopStefanija, Aleksandar, Porth, Oliver, Pötzl, Felix M., Psaltis, Dimitrios, Pu, Hung-Yi, Ripperda, Bart, Rogers, Alan, Roshanineshat, Arash, Roy, Alan L., Rygl, Kazi L. J., Sánchez-Arguelles, David, Sanchez-Portal, Miguel, Savolainen, Tuomas, Schloerb, F. Peter, SooHoo, Jason, Souccar, Kamal, Sun, He, van Rossum, Daniel R., Witzel, Gunther, Wondrak, Michael, Wong, George N., Young, André, Yuan, Ye-Fei

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A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows by Georgiev, Boris, Wong, George N., Gammie, Charles F., Chan, Chi-kwan, Emami, Razieh, Joshi, Abhishek V., Prather, Ben, Johnson, Michael D., Porth, Oliver, Vos, Jesse, Moscibrodzka, Monika, Akiyama, Kazunori, Alberdi, Antxon, Azulay, Rebecca, Bach, Uwe, Barrett, John, Bauböck, Michi, Blackburn, Lindy, Blundell, Raymond, Bremer, Michael, Brissenden, Roger, Broguiere, Dominique, Chen, Ming-Tang, Cordes, James M., Crawford, Thomas M., Crew, Geoffrey B., Cui, Yuzhu, Davelaar, Jordy, Dempsey, Jessica, Dexter, Jason, Doeleman, Sheperd S., Eatough, Ralph P., Fish, Vincent L., Freeman, William T., Fuentes, Antonio, Galison, Peter, Gómez-Ruiz, Arturo I., Gu, Minfeng, Gurwell, Mark, Huang, Chih-Wei L., Hughes, David H., Janssen, Michael, Jeter, Britton, Jiang, Wu, Jiménez-Rosales, Alejandra, Jorstad, Svetlana, Jung, Taehyun, Karami, Mansour, Kawashima, Tomohisa, Kettenis, Mark, Kim, Jae-Young, Koay, Jun Yi, Kocherlakota, Prashant, Kuo, Cheng-Yu, Bella, Noemi La, Lee, Daeyoung, Leung, Po Kin, Levis, Aviad, Liu, Kuo, Lu, Ru-Sen, Matthews, Lynn D., Michalik, Daniel, Moriyama, Kotaro, Müller, Cornelia, Mus, Alejandro, Musoke, Gibwa, Nadolski, Andrew, Neilsen, Joey, Neri, Roberto, Noutsos, Aristeidis, Nowak, Michael A., Palumbo, Daniel C. M., Paraschos, Georgios Filippos, Pen, Ue-Li, Rawlings, Mark G., Raymond, Alexander W., Roelofs, Freek, Romero-Cañizales, Cristina, Roshanineshat, Arash, Rottmann, Helge, Roy, Alan L., Ruiz, Ignacio, Rygl, Kazi L. J., Sánchez, Salvador, Sánchez-Portal, Miguel, Schonfeld, Jonathan, Shao, Lijing, SooHoo, Jason, Souccar, Kamal, Tetarenko, Alexandra J., Tiede, Paul, Trippe, Sascha, Wagner, Jan, Ward-Thompson, Derek, Wex, Norbert, Wharton, Robert, Wiik, Kaj, Wondrak, Michael F., Young, Ken, Zhang, Shuo

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Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI by Alberdi, Antxon, Bach, Uwe, Baczko, Anne-Kathrin, Bauböck, Michi, Benson, Bradford A., Blackburn, Lindy, Blundell, Raymond, Bower, Geoffrey C., Bremer, Michael, Brinkerink, Christiaan D., Britzen, Silke, Broguiere, Dominique, Carlstrom, John E., Chael, Andrew, Chatterjee, Shami, Crew, Geoffrey B., Cruz-Osorio, Alejandro, Cui, Yuzhu, De Laurentis, Mariafelicia, Dempsey, Jessica, Eatough, Ralph P., Fomalont, Ed, Ford, H. Alyson, Fraga-Encinas, Raquel, Freeman, William T., Friberg, Per, Fromm, Christian M., Fuentes, Antonio, Galison, Peter, Gammie, Charles F., García, Roberto, Gu, Minfeng, Haworth, Kari, Hesper, Ronald, Ho, Luis C., Huang, Chih-Wei L., Hughes, David H., Impellizzeri, C. M. Violette, Inoue, Makoto, Issaoun, Sara, Jannuzi, Buell T., Janssen, Michael, Jeter, Britton, Jiang, Wu, Jorstad, Svetlana, Joshi, Abhishek V., Karami, Mansour, Kim, Dong-Jin, Kim, Jongsoo, Kino, Motoki, Koay, Jun Yi, Kocherlakota, Prashant, Koyama, Shoko, Bella, Noemi La, Lauer, Tod R., Levis, Aviad, Li, Zhiyuan, Lindahl, Greg, Lindqvist, Michael, Marscher, Alan P., Michalik, Daniel, Moscibrodzka, Monika, Nadolski, Andrew, Nagai, Hiroshi, Nakamura, Masanori, Narayan, Ramesh, Fuentes, Santiago Navarro, Neilsen, Joey, Neri, Roberto, Nowak, Michael A., Oh, Junghwan, Olivares, Héctor, Paraschos, Georgios Filippos, Park, Jongho, Pötzl, Felix M., Pu, Hung-Yi, Ramakrishnan, Venkatessh, Ricarte, Angelo, Roelofs, Freek, Romero-Cañizales, Cristina, Roy, Alan L., Ruiz, Ignacio, Ruszczyk, Chet, Sasada, Mahito, Savolainen, Tuomas, Schonfeld, Jonathan, Schuster, Karl-Friedrich, Shao, Lijing, Sohn, Bong Won, SooHoo, Jason, Souccar, Kamal, Titus, Michael, Turk, Matthew, van Rossum, Daniel R., Wielgus, Maciek, Wiik, Kaj, Wondrak, Michael F., Wong, George N., Younsi, Ziri, Yuan, Feng

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Millimeter Light Curves of Sagittarius A Observed during the 2017 Event Horizon Telescope Campaign by Keating, Garrett K., Tiede, Paul, Fomalont, Ed, Nowak, Michael A., Gammie, Charles F., Haggard, Daryl, Chan, Chi-kwan, Chatterjee, Koushik, Doeleman, Sheperd S., Georgiev, Boris, Johnson, Michael D., Mus, Alejandro, Witzel, Gunther, Akiyama, Kazunori, Bach, Uwe, Benson, Bradford A., Boyce, Hope, Brinkerink, Christiaan D., Britzen, Silke, Byun, Do-Young, Carlstrom, John E., Chatterjee, Shami, Chen, Ming-Tang, Cordes, James M., De Laurentis, Mariafelicia, Deane, Roger, Eatough, Ralph P., Falcke, Heino, Farah, Joseph, Fish, Vincent L., Freeman, William T., Fromm, Christian M., García, Roberto, Gentaz, Olivier, Gu, Minfeng, Ho, Luis C., Ho, Paul, Huang, Chih-Wei L., Huang, Lei, Inoue, Makoto, James, David J., Joshi, Abhishek V., Kawashima, Tomohisa, Kim, Dong-Jin, Kim, Jae-Young, Kim, Jongsoo, Kim, Junhan, Kino, Motoki, Yi Koay, Jun, Kocherlakota, Prashant, Kramer, Carsten, Kramer, Michael, Lauer, Tod R., Lico, Rocco, Lisakov, Mikhail, Liu, Kuo, Lobanov, Andrei P., Markoff, Sera, Marscher, Alan P., Michalik, Daniel, Mizuno, Izumi, Moriyama, Kotaro, Nadolski, Andrew, Nagai, Hiroshi, Narayan, Ramesh, Narayanan, Gopal, Navarro Fuentes, Santiago, Olivares, Héctor, Oyama, Tomoaki, Patel, Nimesh, Pesce, Dominic W., Piétu, Vincent, PopStefanija, Aleksandar, Preciado-López, Jorge A., Ricarte, Angelo, Romero-Canizales, Cristina, Roy, Alan L., Sánchez, Salvador, Sánchez-Argüelles, David, Shao, Lijing, Shen, Zhiqiang, Won Sohn, Bong, Sun, He, Titus, Michael, Torne, Pablo, Trent, Tyler, Trippe, Sascha, van Bemmel, Ilse, van Rossum, Daniel R., Wardle, John, Weintroub, Jonathan, Wex, Norbert, Wharton, Robert, Wondrak, Michael F., Wong, George N., Yamaguchi, Paul, Young, Ken, Younsi, Ziri, Yuan, Ye-Fei, Zhao, Guang-Yao

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Expanding Sgr A dynamical imaging capabilities with an African extension to the Event Horizon Telescope by Noemi La Bella, Issaoun, Sara, Roelofs, Freek, Fromm, Christian, Falcke, Heino

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First Sagittarius A Event Horizon Telescope Results. VII. Polarization of the Ring by Algaba, Juan Carlos, Asada, Keiichi, Bandyopadhyay, Bidisha, Bower, Geoffrey C., Broguiere, Dominique, Chan, Chi-kwan, Chatterjee, Shami, Chen, Yongjun, Conway, John E., Cordes, James M., Crawford, Thomas M., Dahale, Rohan, Davelaar, Jordy, De Laurentis, Mariafelicia, Dempsey, Jessica, Dhruv, Vedant, Dougal, Sean Taylor, Eatough, Ralph P., Fish, Vincent L., Ford, H. Alyson, Fraga-Encinas, Raquel, Freeman, William T., Friberg, Per, Fuentes, Antonio, Galison, Peter, Gammie, Charles F., Georgiev, Boris, Goddi, Ciriaco, Gold, Roman, Haworth, Kari, Hesper, Ronald, Honma, Mareki, Huang, Lei, Hughes, David H., Ikeda, Shiro, Inoue, Makoto, Janssen, Michael, Karuppusamy, Ramesh, Kawashima, Tomohisa, Kim, Junhan, Kofuji, Yutaro, Kramer, Carsten, Krichbaum, Thomas P., La Bella, Noemi, Lee, Daeyoung, Lee, Sang-Sung, Levis, Aviad, Lindqvist, Michael, Lisakov, Mikhail, Loinard, Laurent, Lonsdale, Colin J., Lowitz, Amy E., Marchili, Nicola, Marscher, Alan P., Medeiros, Lia, Moriyama, Kotaro, Mulaudzi, Wanga, Müller, Cornelia, Mus, Alejandro, Nathanail, Antonios, Navarro Fuentes, Santiago, Neri, Roberto, Ni, Chunchong, Ortiz-León, Gisela N., Paraschos, Georgios Filippos, Parsons, Harriet, Pesce, Dominic W., Preciado-López, Jorge A., Pu, Hung-Yi, Rawlings, Mark G., Roelofs, Freek, Rogers, Alan, Ros, Eduardo, Roshanineshat, Arash, Rottmann, Helge, Rygl, Kazi L. J., Sánchez, Salvador, Sánchez-Portal, Miguel, Savolainen, Tuomas, Schuster, Karl-Friedrich, SooHoo, Jason, Souccar, Kamal, Tazaki, Fumie, Tiede, Paul, Torne, Pablo, Traianou, Efthalia, Trent, Tyler, Trippe, Sascha, Weintroub, Jonathan, Wharton, Robert, Wielgus, Maciek, Wiik, Kaj, Wong, George N., Wu, Qingwen, Yadlapalli, Nitika, Yfantis, Aristomenis, Yoon, Doosoo, Young, Andrè, Zensus, J. Anton, Zhao, Shan-Shan

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First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization by Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Azulay, Rebecca, Baloković, Mislav, Bauböck, Michi, Benson, Bradford A., Bower, Geoffrey C., Bremer, Michael, Britzen, Silke, Broguiere, Dominique, Bronzwaer, Thomas, Chang, Dominic O., Chen, Ming-Tang, Chen, Yongjun, Cordes, James M., Davelaar, Jordy, De Laurentis, Mariafelicia, Deane, Roger, Dempsey, Jessica, Desvignes, Gregory, Dexter, Jason, Dhruv, Vedant, Dzib, Sergio A., Emami, Razieh, Falcke, Heino, Fish, Vincent L., Ford, H. Alyson, Foschi, Marianna, Freeman, William T., Friberg, Per, Fuentes, Antonio, Georgiev, Boris, Gómez-Ruiz, Arturo I., Hada, Kazuhiro, Haworth, Kari, Hecht, Michael H., Hesper, Ronald, Heumann, Dirk, Honma, Mareki, Huang, Lei, Hughes, David H., Ikeda, Shiro, Impellizzeri, C. M. Violette, James, David J., Jannuzi, Buell T., Jeter, Britton, Jiang, Wu, Joshi, Abhishek V., Karuppusamy, Ramesh, Kettenis, Mark, Kim, Jongsoo, Kim, Junhan, Kocherlakota, Prashant, Koch, Patrick M., Koyama, Shoko, Kramer, Joana A., La Bella, Noemi, Lee, Daeyoung, Li, Zhiyuan, Liu, Jun, Lu, Ru-Sen, Mizuno, Izumi, Mus, Alejandro, Nagai, Hiroshi, Nagar, Neil M., Nakamura, Masanori, Narayan, Ramesh, Nathanail, Antonios, Oh, Junghwan, Olivares, Héctor, Ortiz-León, Gisela N., Özel, Feryal, Parsons, Harriet, Patel, Nimesh, Pen, Ue-Li, Piétu, Vincent, Porth, Oliver, Psaltis, Dimitrios, Rogers, Alan, Rottmann, Helge, Rygl, Kazi L. J., Sánchez-Argüelles, David, Sánchez-Portal, Miguel, Sasada, Mahito, Satapathy, Kaushik, Savolainen, Tuomas, Shen, Zhiqiang, Sun, He, Tazaki, Fumie, Tetarenko, Alexandra J., Titus, Michael, Torne, Pablo, Vos, Jesse, Yamaguchi, Paul, Yfantis, Aristomenis, Younsi, Ziri, Yu, Wei, Yuan, Ye-Fei

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First Sagittarius A Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring by Alef, Walter, Algaba, Juan Carlos, Azulay, Rebecca, Ball, David, Bandyopadhyay, Bidisha, Blundell, Raymond, Bower, Geoffrey C., Broguiere, Dominique, Byun, Do-Young, Chang, Dominic O., Chatterjee, Koushik, Chatterjee, Shami, Chen, Yongjun, Conroy, Nicholas S., Conway, John E., Cordes, James M., Crawford, Thomas M., Davelaar, Jordy, De Laurentis, Mariafelicia, Dexter, Jason, Dhruv, Vedant, Fish, Vincent L., Ford, H. Alyson, Fraga-Encinas, Raquel, Freeman, William T., Galison, Peter, Gold, Roman, Gómez, José L., Haworth, Kari, Hesper, Ronald, Ho, Paul, Honma, Mareki, Huang, Lei, Inoue, Makoto, Janssen, Michael, Jeter, Britton, Jorstad, Svetlana, Karuppusamy, Ramesh, Kawashima, Tomohisa, Kim, Jae-Young, Kim, Junhan, Kino, Motoki, Koay, Jun Yi, Kofuji, Yutaro, Kramer, Carsten, Krichbaum, Thomas P., La Bella, Noemi, Lee, Daeyoung, Lee, Sang-Sung, Levis, Aviad, Lindqvist, Michael, Lisakov, Mikhail, Lo, Wen-Ping, Loinard, Laurent, Lonsdale, Colin J., Lowitz, Amy E., Marchili, Nicola, Matsushita, Satoki, Mizuno, Izumi, Moriyama, Kotaro, Mulaudzi, Wanga, Müller, Cornelia, Mus, Alejandro, Myserlis, Ioannis, Nathanail, Antonios, Neri, Roberto, Ni, Chunchong, Olivares, Héctor, Özel, Feryal, Paraschos, Georgios Filippos, Pen, Ue-Li, Preciado-López, Jorge A., Psaltis, Dimitrios, Ricarte, Angelo, Rogers, Alan, Ros, Eduardo, Rottmann, Helge, Rygl, Kazi L. J., Sánchez-Argüelles, David, Savolainen, Tuomas, Schuster, Karl-Friedrich, SooHoo, Jason, Souccar, Kamal, Tazaki, Fumie, Tiede, Paul, Torne, Pablo, Toscano, Teresa, Trent, Tyler, Trippe, Sascha, Weintroub, Jonathan, Wharton, Robert, Wielgus, Maciek, Wiik, Kaj, Wu, Qingwen, Yadlapalli, Nitika, Yfantis, Aristomenis, Yoon, Doosoo, Yu, Wei, Zensus, J. Anton, Zhao, Shan-Shan

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The Event Horizon Telescope Image of the Quasar NRAO 530 by Wielgus, Maciek, Krichbaum, Thomas P., Chan, Chi-kwan, Akiyama, Kazunori, Alberdi, Antxon, Gómez, José L., Gurwell, Mark, Kim, Jae-Young, Pötzl, Felix M., Traianou, Efthalia, van Bemmel, Ilse, Asada, Keiichi, Bintley, Dan, Boyce, Hope, Bremer, Michael, Bronzwaer, Thomas, Bustamante, Sandra, Carlstrom, John E., Ceccobello, Chiara, Chen, Ming-Tang, Conroy, Nicholas S., Cordes, James M., Crawford, Thomas M., Davelaar, Jordy, De Laurentis, Mariafelicia, Deane, Roger, Dempsey, Jessica, Desvignes, Gregory, Dexter, Jason, Dougal, Sean, Dzib, Sergio A., Emami, Razieh, Freeman, William T., Friberg, Per, Goddi, Ciriaco, Gold, Roman, Gómez-Ruiz, Arturo I., Gu, Minfeng, Hada, Kazuhiro, Heumann, Dirk, Huang, Chih-Wei L., Huang, Lei, Hughes, David H., James, David J., Jiang, Wu, Kim, Dong-Jin, Kim, Junhan, Kocherlakota, Prashant, Kofuji, Yutaro, Kramer, Michael, Lee, Daeyoung, Leung, Po Kin, Li, Zhiyuan, Lindahl, Greg, Liu, Kuo, Lobanov, Andrei P., Marchili, Nicola, Markoff, Sera, Matthews, Lynn D., Medeiros, Lia, Menten, Karl M., Mizuno, Yosuke, Moran, James M., Müller, Cornelia, Nagai, Hiroshi, Nagar, Neil M., Natarajan, Iniyan, Fuentes, Santiago Navarro, Neri, Roberto, Nowak, Michael A., Okino, Hiroki, Olivares, Héctor, Oyama, Tomoaki, Özel, Feryal, Palumbo, Daniel C. M., Paraschos, Georgios Filippos, Piétu, Vincent, Prather, Ben, Ricarte, Angelo, Roelofs, Freek, Roshanineshat, Arash, Rottmann, Helge, Roy, Alan L., Ruiz, Ignacio, Rygl, Kazi L. J., Sánchez, Salvador, Sánchez-Portal, Miguel, Savolainen, Tuomas, Shao, Lijing, Small, Des, SooHoo, Jason, Tazaki, Fumie, Tetarenko, Alexandra J., Tilanus, Remo P. J., Trent, Tyler, Trippe, Sascha, Wardle, John, Weintroub, Jonathan, Yamaguchi, Paul, Zhao, Shan-Shan

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A Search for Pulsars around Sgr A in the First Event Horizon Telescope Data Set by Eatough, Ralph P., Desvignes, Gregory, Karuppusamy, Ramesh, Blackburn, Lindy, Janssen, Michael, Crew, Geoffrey, B., Wagner, Jan, Jiang, Wu, Paubert, Gabriel, Schuster, Karl-Friedrich, Rygl, Kazi L. J., Alef, Walter, Anantua, Richard, Bach, Uwe, Baloković, Mislav, Bintley, Dan, Blundell, Raymond, Bronzwaer, Thomas, Bustamante, Sandra, Carlstrom, John E., Ceccobello, Chiara, Chael, Andrew, Chang, Dominic O., Chatterjee, Koushik, Chen, Yongjun, Cheng, Xiaopeng, Christian, Pierre, Conroy, Nicholas S., Dempsey, Jessica, Doeleman, Sheperd S., Emami, Razieh, Falcke, Heino, Farah, Joseph, Fish, Vincent L., Foschi, Marianna, García, Roberto, Gentaz, Olivier, Georgiev, Boris, Gurwell, Mark, Hecht, Michael H., Hesper, Ronald, Heumann, Dirk, Hughes, David H., Jorstad, Svetlana, Joshi, Abhishek V., Kettenis, Mark, Kim, Dong-Jin, Kuo, Cheng-Yu, La Bella, Noemi, Lauer, Tod R., Lee, Sang-Sung, Lico, Rocco, Lindahl, Greg, Liu, Jun, Liuzzo, Elisabetta, Lo, Wen-Ping, Lobanov, Andrei P., MacDonald, Nicholas R., Marrone, Daniel P., Marscher, Alan P., Martí-Vidal, Iván, Matsushita, Satoki, Mizuno, Izumi, Moscibrodzka, Monika, Myserlis, Ioannis, Nagai, Hiroshi, Nathanail, Antonios, Oyama, Tomoaki, Palumbo, Daniel C. M., Paraschos, Georgios Filippos, Parsons, Harriet, Patel, Nimesh, Piétu, Vincent, PopStefanija, Aleksandar, Psaltis, Dimitrios, Pu, Hung-Yi, Ramakrishnan, Venkatessh, Rao, Ramprasad, Roshanineshat, Arash, Ruszczyk, Chet, Sánchez-Argüelles, David, Savolainen, Tuomas, Schonfeld, Jonathan, Small, Des, Sohn, Bong Won, SooHoo, Jason, Souccar, Kamal, Sun, He, Tiede, Paul, Titus, Michael, Traianou, Efthalia, Turk, Matthew, Wiik, Kaj, Yamaguchi, Paul, Yfantis, Aristomenis, Young, Ken, Younsi, Ziri, Yuan, Ye-Fei, Zhang, Shuo, Zhao, Guang-Yao

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First Very Long Baseline Interferometry Detections at 870 μm by Blackburn, Lindy, Bower, Geoffrey C., Broguiere, Dominique, Fish, Vincent L., Han, Chih-Chiang, Hecht, Michael H., Matsushita, Satoki, Moran, James M., Patel, Nimesh, Torne, Pablo, Young, André, Anantua, Richard, Bach, Uwe, Barrett, John, Benson, Bradford A., Bouman, Katherine L., Britzen, Silke, Bustamante, Sandra, Chen, Yongjun, Christian, Pierre, Crawford, Thomas M., Cruz-Osorio, Alejandro, Dahale, Rohan, Deane, Roger, Dhruv, Vedant, Dzib, Sergio A., Emami, Razieh, Farah, Joseph, Fontana, Anne-Laure, Ford, H. Alyson, Foschi, Marianna, Fraga-Encinas, Raquel, Freeman, William T., Gold, Roman, Gómez, José L., Gurwell, Mark, Hada, Kazuhiro, Haggard, Daryl, Hesper, Ronald, Heumann, Dirk, Ho, Luis C., Honma, Mareki, Huang, Chih-Wei L., Hughes, David H., Jeter, Britton, Jiménez-Rosales, Alejandra, Johnson, Michael D., Jones, Adam C., Jung, Taehyun, Kawashima, Tomohisa, Kofuji, Yutaro, Koyama, Shoko, Kuo, Cheng-Yu, La Bella, Noemi, Lico, Rocco, Lindqvist, Michael, Liu, Jun, Liuzzo, Elisabetta, Lobanov, Andrei P., Loinard, Laurent, Lu, Ru-Sen, MacDonald, Nicholas R., Mahieu, Sylvain, Maier, Doris, Markoff, Sera, Marscher, Alan P., Medeiros, Lia, Mulaudzi, Wanga, Myserlis, Ioannis, Olivares Sánchez, Héctor Raúl, Oyama, Tomoaki, Özel, Feryal, Park, Jongho, Parsons, Harriet, Piétu, Vincent, Psaltis, Dimitrios, Ricarte, Angelo, Roelofs, Freek, Ros, Eduardo, Roshanineshat, Arash, Rygl, Kazi L. J., Sánchez-Portal, Miguel, Schloerb, F. Peter, Sohn, Bong Won, SooHoo, Jason, Souccar, Kamal, Srinivasan, Ranjani, Tazaki, Fumie, Toma, Kenji, Traianou, Efthalia, Turk, Matthew, van Bemmel, Ilse, Vos, Jesse, Wardle, John, Wong, George N., Yadlapalli, Nitika, Yamaguchi, Paul, Yfantis, Aristomenis, Yoon, Doosoo, Zensus, J. Anton

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Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes by Chael, Andrew, Akiyama, Kazunori, Alef, Walter, Asada, Keiichi, Azulay, Rebecca, Baczko, Anne-Kathrin, Benson, Bradford A., Bouman, Katherine L., Brissenden, Roger, Ceccobello, Chiara, Chatterjee, Shami, Cheng, Xiaopeng, Conway, John E., Cruz-Osorio, Alejandro, Davelaar, Jordy, Dempsey, Jessica, Emami, Razieh, Fomalont, Ed, Ford, H. Alyson, Foschi, Marianna, García, Roberto, Georgiev, Boris, Gold, Roman, Gómez-Ruiz, Arturo I., Gu, Minfeng, Haworth, Kari, Hesper, Ronald, Hughes, David H., Inoue, Makoto, Issaoun, Sara, James, David J., Jung, Taehyun, Kawashima, Tomohisa, Keating, Garrett K., Kettenis, Mark, Kim, Jae-Young, Kino, Motoki, Koay, Jun Yi, Kofuji, Yutaro, Kuo, Cheng-Yu, La Bella, Noemi, Lauer, Tod R., Lee, Sang-Sung, Lico, Rocco, Lindahl, Greg, Liu, Jun, Liu, Kuo, Lobanov, Andrei P., Loinard, Laurent, Lonsdale, Colin J., Mao, Jirong, Marscher, Alan P., Martí-Vidal, Iván, Matsushita, Satoki, Matthews, Lynn D., Menten, Karl M., Moriyama, Kotaro, Mulaudzi, Wanga, Müller, Cornelia, Nagar, Neil M., Nakamura, Masanori, Fuentes, Santiago Navarro, Neri, Roberto, Olivares, Héctor, Ortiz-León, Gisela N., Oyama, Tomoaki, Özel, Feryal, Palumbo, Daniel C. M., Paraschos, Georgios Filippos, Parsons, Harriet, Pu, Hung-Yi, Rao, Ramprasad, Ricarte, Angelo, Ros, Eduardo, Roshanineshat, Arash, Rottmann, Helge, Roy, Alan L., Ruszczyk, Chet, Sánchez-Argüelles, David, Sánchez-Portal, Miguel, Savolainen, Tuomas, Schloerb, F. Peter, Shen, Zhiqiang, SooHoo, Jason, Souccar, Kamal, Sun, He, Tiede, Paul, Torne, Pablo, Traianou, Efthalia, Turk, Matthew, Vos, Jesse, Wagner, Jan, Wharton, Robert, Wu, Qingwen, Yadlapalli, Nitika, Yoon, Doosoo, Yu, Wei, Zensus, J. Anton, Zhang, Shuo, Zhao, Shan-Shan

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First Very Long Baseline Interferometry Detections at 870{\mu}m by Blackburn, Lindy, Bremer, Michael, García, Roberto, Gentaz, Olivier, Goddi, Ciriaco, Hecht, Michael H, Yau-De, Huang, Wen-Ping Lo, Matthews, Lynn D, Moran, James M, Norton, Timothy J, Ramakrishnan, Venkatessh, Rottmann, Helge, Tilanus, Remo P J, Torne, Pablo, Algaba, Juan Carlos, Bandyopadhyay, Bidisha, Bauböck, Michi, Bintley, Dan, Blundell, Raymond, Bouman, Katherine L, Boyce, Hope, Bustamante, Sandra, Chi-kwan, Chan, Chen, Yongjun, Cheng, Xiaopeng, Cruz-Osorio, Alejandro, Mariafelicia De Laurentis, Dempsey, Jessica, Emami, Razieh, Farah, Joseph, Fomalont, Edward, Fontana, Anne-Laure, Foschi, Marianna, Fromm, Christian M, Fuentes, Antonio, Galison, Peter, Gu, Minfeng, Heumann, Dirk, Ho, Paul, Huang, Lei, Issaoun, Sara, James, David J, Jeter, Britton, Jiménez-Rosales, Alejandra, Jung, Taehyun, Karuppusamy, Ramesh, Dong-Jin, Kim, Kino, Motoki, Kofuji, Yutaro, Koch, Patrick M, Koyama, Shoko, Kramer, Joana A, Kramer, Michael, Lonsdale, Colin J, Lowitz, Amy E, Mahieu, Sylvain, Maier, Doris, Medeiros, Lia, Montgomery, Joshua, Nakamura, Masanori, Narayanan, Gopal, Natarajan, Iniyan, Nathanail, Antonios, Nowak, Michael A, Okino, Hiroki, Oyama, Tomoaki, Georgios Filippos Paraschos, Park, Jongho, Piétu, Vincent, PopStefanija, Aleksandar, Porth, Oliver, Prather, Ben, Hung-Yi, Pu, Ricarte, Angelo, Roelofs, Freek, Ros, Eduardo, Roshanineshat, Arash, Ruiz, Ignacio, Schloerb, F Peter, Shen, Zhiqiang, León David Sosapanta Salas, Srinivasan, Ranjani, Tetarenko, Alexandra J, Toscano, Teresa, Traianou, Efthalia, Trippe, Sascha, Turk, Matthew, Ilse van Bemmel, van Rossum, Daniel R, Vos, Jesse, Washington, Jasmin E, Wiik, Kaj, Wondrak, Michael F, Yadlapalli, Nitika, Yamaguchi, Paul, Yoon, Doosoo, Yu, Wei, Yuan, Feng, Guang-Yao Zhao

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Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration by Prather, Ben S, Dexter, Jason, Bronzwaer, Thomas, Davelaar, Jordy, Gammie, Charles F, Akiyama, Kazunori, Alberdi, Antxon, Anantua, Richard, Ball, David, Bauböck, Michi, Benson, Bradford A, Boyce, Hope, Bremer, Michael, Brissenden, Roger, Broderick, Avery E, Broguiere, Dominique, Carlstrom, John E, Ceccobello, Chiara, Chael, Andrew, Chatterjee, Shami, Ming-Tang, Chen, Chen, Yongjun, Christian, Pierre, Cui, Yuzhu, Mariafelicia De Laurentis, Deane, Roger, Dempsey, Jessica, Eatough, Ralph P, Farah, Joseph, Fomalont, Ed, d, H Alyson, Freeman, William T, Galison, Peter, García, Roberto, Gentaz, Olivier, Gu, Minfeng, Hesper, Ronald, Ho, Luis C, Honma, Mareki, Hughes, David H, Ikeda, Shiro, Violette Impellizzeri, C M, Inoue, Makoto, Jannuzi, Buell T, Janssen, Michael, Wu, Jiang, Johnson, Michael D, Jorstad, Svetlana, Jung, Taehyun, Karami, Mansour, Kettenis, Mark, Dong-Jin, Kim, Jae-Young, Kim, Jun Yi Koay, Kocherlakota, Prashant, Kofuji, Yutaro, Krichbaum, Thomas P, Lauer, Tod R, Leung, Po Kin, Levis, Aviad, Lobanov, Andrei P, Ru-Sen, Lu, MacDonald, Nicholas R, Mao, Jirong, Marchili, Nicola, Markoff, Sera, Matsushita, Satoki, Medeiros, Lia, Michalik, Daniel, Mizuno, Yosuke, Nakamura, Masanori, Narayan, Ramesh, Narayanan, Gopal, Natarajan, Iniyan, Nathanail, Antonios, Ni, Chunchong, Nowak, Michael A, Oh, Junghwan, Olivares, Héctor, Patel, Nimesh, Pesce, Dominic W, Plambeck, Richard, Pötzl, Felix M, Rezzolla, Luciano, Romero-Cañizales, Cristina, Rottmann, Helge, Schloerb, F Peter, SooHoo, Jason, Tiede, Paul, Tilanus, Remo P J, Titus, Michael, Torne, Pablo, van Langevelde, Huib Jan, van Rossum, Daniel R, Weintroub, Jonathan, Wielgus, Maciek, Wondrak, Michael F, Wu, Qingwen, Yoon, Doosoo, Young, Ken

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A search for pulsars around Sgr A in the first Event Horizon Telescope dataset by Liu, Kuo, Eatough, Ralph P, Cordes, James M, Chi-kwan, Chan, Matthews, Lynn D, Rottmann, Helge, Abbate, Federico, Ru-Sen, Lu, Ue-Li Pen, Raymond, Alexander W, Kramer, Carsten, Rygl, Kazi L J, Bach, Uwe, Balokovic, Mislav, Barrett, John, Bauboeck, Michi, Boyce, Hope, Bremer, Michael, Brissenden, Roger, Britzen, Silke, Broderick, Avery E, Broguiere, Dominique, Bustamante, Sandra, Do-Young, Byun, Ming-Tang, Chen, Chen, Yongjun, Cheng, Xiaopeng, Cruz-Osorio, Alejandro, Dempsey, Jessica, Dougal, Sean, Emami, Razieh, Farah, Joseph, d, H Alyson, Foschi, Marianna, Friberg, Per, Fromm, Christian M, Fuentes, Antonio, Gammie, Charles F, Gomez, Jose L, Gu, Minfeng, Hesper, Ronald, Heumann, Dirk, Hughes, David H, Violette Impellizzeri, C M, Jeter, Britton, Joshi, Abhishek V, Jae-Young, Kim, Kim, Jongsoo, Kino, Motoki, Kofuji, Yutaro, Krichbaum, Thomas P, Lee, Daeyoung, Leung, Po Kin, Lico, Rocco, Lisakov, Mikhail, Liuzzo, Elisabetta, Lobanov, Andrei P, Marrone, Daniel P, Marscher, Alan P, Mizuno, Izumi, Moriyama, Kotaro, Mus, Alejandro, Musoke, Gibwa, Myserlis, Ioannis, Nagai, Hiroshi, Narayanan, Gopal, Natarajan, Iniyan, Neilsen, Joey, Nowak, Michael A, Okino, Hiroki, Oyama, Tomoaki, Georgios Filippos Paraschos, Park, Jongho, Pietu, Vincent, Potzl, Felix M, Ramakrishnan, Venkatessh, Rao, Ramprasad, Sasada, Mahito, Savolainen, Tuomas, Schloerb, F Peter, Schonfeld, Jonathan, Sohn, Bong Won, Sun, He, Tiede, Paul, Titus, Michael, Ilse van Bemmel, van Langevelde, Huib Jan, van Rossum, Daniel R, Weintroub, Jonathan, Wielgus, Maciek, Wiik, Kaj, Witzel, Gunther, Wong, George N, Wu, Qingwen, Yoon, Doosoo, Young, Andre, Young, Ken, Yu, Wei, Zhang, Shuo, Guang-Yao Zhao

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