Distances in organizations: Innovation in an R&D lab by Wilfred Dolfsma, Rene Van der Eijk

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Additive manufacturing of advanced ceramics for demanding applications by William Rowlands

“…Many AM processes for polymers and metals are nearing maturity, however for ceramics there are fewer processes available and they are in their early stages of development, with a significantly narrower material selection. …”
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Markov models for Bayesian analysis about transit route origin-destination matrices by Baibing Li

“…The key factor that complicates statistical inference for an origin-destination (O-D) matrix is that the problem per se is usually highly underspecified, with a large number of unknown entries but many fewer observations available for the estimation. …”
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Tracking human pose with multiple activity models by John Darby, Baihua Li, Nicholas Costen

“…We present quantitative results on the HumanEva-I and HumanEva-II datasets, demonstrating robust 3D tracking of known and unknown activities from fewer than four cameras.…”
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Preventing repeat victimization: a systematic review by Louise Nicholas, Graham Farrell, David P. Farrington, Shane D. Johnson

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A more intense examination of the intensity of physical activity in people living with chronic obstructive pulmonary disease: Insights from threshold-free markers of activity inten... by Andrew P Kingsnorth, Alex V Rowlands, Benjamin D Maylor, Lauren Sherar, Michael C Steiner, Mike D Morgan, Sally J Singh, Dale Esliger, Mark W Orme

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Loneliness, social integration, and incident dementia over 6 years: Prospective findings from the English Longitudinal Study of Ageing by Snorri Bjorn Rafnsson, Martin Orrell, Eleonora d'Orsi, Eef Hogervorst, Andrew Steptoe

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Short sleep duration is associated with shorter telomere length in healthy men: findings from the Whitehall II cohort study by Marta Jackowska, Mark Hamer, Livia A. Carvalho, Jorge D. Erusalimsky, Lee Butcher, Andrew Steptoe

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Objectively-measured sedentary time and physical activity in a bi-ethnic sample of young children: variation by socio-demographic, temporal and perinatal factors by Paul J Collings, Sufyan A Dogra, Silvia Costa, Daniel D Bingham, Sally E Barber

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Device-assessed sleep and physical activity in individuals recovering from a hospital admission for COVID-19: a multicentre study by Tatiana Plekhanova, Alex V. Rowlands, Rachael A Evans, Charlotte L. Edwardson, Nicolette Bishop, Charlotte E. Bolton, James D. Chalmers, Melanie J. Davies, Enya Daynes, Paddy C. Dempsey, Annemarie B. Docherty, Omer Elneima, Neil J. Greening, Sharlene A. Greenwood, Andrew P. Hall, Victoria C. Harris, Ewen M. Harrison, Joseph Henson, Ling-Pei Ho, Alex Horsley, Linzy Houchen-Wolloff, Kamlesh Khunti, Olivia C. Leavy, Nazir I. Lone, Michael Marks, Ben Maylor, Hamish J. C. McAuley, Claire M. Nolan, Krisnah Poinasamy, Jennifer K. Quint, Betty Raman, Matthew Richardson, Jack A. Sargeant, Ruth M. Saunders, Marco Sereno, Aarti Shikotra, Amisha Singapuri, Michael Steiner, David Stensel, Louise V. Wain, Julie Whitney, Dan G. Wootton, Christopher E. Brightling, William D.-C. Man, Sally J. Singh, Tom Yates

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Hydrodynamic reductions of multidimensional dispersionless PDEs: The test for integrability by Evgeny Ferapontov, Karima Khusnutdinova

“…A (d + 1)-dimensional dispersionless PDE is said to be integrable if its ncomponent hydrodynamic reductions are locally parametrized by (d − 1)n arbitrary functions of one variable. …”
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Training during the COVID-19 lockdown: knowledge, beliefs, and practices of 12,526 athletes from 142 countries and six continents by Jad Adrian Washif, Abdulaziz Farooq, Isabel Krug, David B Pyne, Evert Verhagen, Lee Taylor, Del P Wong, Iñigo Mujika, Cristina Cortis, Monoem Haddad, Omid Ahmadian, Mahmood Al Jufaili, Ramzi A Al-Horani, Abdulla Saeed Al-Mohannadi, Asma Aloui, Achraf Ammar, Fitim Arifi, Abdul Rashid Aziz, Mikhail Batuev, Christopher Martyn Beaven, Ralph Beneke, Arben Bici, Pallawi Bishnoi, Lone Bogwasi, Daniel Bok, Omar Boukhris, Daniel Boullosa, Nicola Bragazzi, Joao Brito, Roxana Paola Palacios Cartagena, Anis Chaouachi, Stephen S Cheung, Hamdi Chtourou, Germina Cosma, Tadej Debevec, Matthew D DeLang, Alexandre Dellal, Gürhan Dönmez, Tarak Driss, Juan David Peña Duque, Cristiano Eirale, Mohamed Elloumi, Carl Foster, Emerson Franchini, Andrea Fusco, Olivier Galy, Paul B Gastin, Nicholas Gill, Olivier Girard, Cvita Gregov, Shona Halson, Omar Hammouda, Ivana Hanzlíková, Bahar Hassanmirzaei, Thomas Haugen, Kim Hébert-Losier, Hussein Muñoz Helú, Tomás Herrera-Valenzuela, Florentina J Hettinga, Louis Holtzhausen, Olivier Hue, Antonio Dello Iacono, Johanna K Ihalainen, Carl James, Dina C Janse van Rensburg, Saju Joseph, Karim Kamoun, Mehdi Khaled, Karim Khalladi, Kwang Joon Kim, Lian-Yee Kok, Lewis MacMillan, Leonardo Jose Mataruna-Dos-Santos, Ryo Matsunaga, Shpresa Memishi, Grégoire P Millet, Imen Moussa-Chamari, Danladi Ibrahim Musa, Hoang Minh Thuan Nguyen, Pantelis T Nikolaidis, Adam Owen, Johnny Padulo, Jeffrey Cayaban Pagaduan, Nirmala Panagodage Perera, Jorge Pérez-Gómez, Lervasen Pillay, Arporn Popa, Avishkar Pudasaini, Alireza Rabbani, Tandiyo Rahayu, Mohamed Romdhani, Paul Salamh, Abu-Sufian Sarkar, Andy Schillinger, Stephen Seiler, Heny Setyawati, Navina Shrestha, Fatona Suraya, Montassar Tabben, Khaled Trabelsi, Axel Urhausen, Maarit Valtonen, Johanna Weber, Rodney Whiteley, Adel Zrane, Yacine Zerguini, Piotr Zmijewski, Øyvind Sandbakk, Helmi Ben Saad, Karim Chamari

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Assessment of the accuracy of different systems for measuring football velocity and spin rate in the field by Katrine Okholm Kryger, Sean Mitchell, Steph Forrester

“…The aim of this study was to measure the level of agreement of four portable football velocity and spin rate measurement systems (Jugs speed radar gun, 2-D high-speed video, TrackMan and adidas miCoach football) against a Vicon motion analysis system. …”
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COVID-19 lockdowns: a worldwide survey of circadian rhythms and sleep quality in 3911 athletes from 49 countries, with data-driven recommendations by M Romdhani, DE Rae, M Nédélec, A Ammar, H Chtourou, R Al Horani, H Ben Saad, N Bragazzi, G Dönmez, T Driss, HHK Fullagar, A Farooq, S Garbarino, O Hammouda, B Hassanmirzaei, K Khalladi, S Khemila, LJ Mataruna-Dos-Santos, I Moussa-Chamari, I Mujika, H Muñoz Helú, A Norouzi Fashkhami, LL Paineiras-Domingos, M Rahbari Khaneghah, Y Saita, K Trabelsi, JA Vitale, JA Washif, J Weber, N Souissi, Lee Taylor, K Chamari

“…During lockdown, athletes reported fewer training sessions per week (− 29.1%; d = 0.99). …”
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Improved clinical outcomes in response to a 12-week blended digital and community-based long-COVID-19 rehabilitation programme by Jemma Smith, Kevin Deighton, Aidan Innes, Marc Holl, Laura Mould, Zhining Liao, Patrick Doherty, Greg Whyte, James King, Davina Deniszczyc, Benjamin Kelly

“…Results: The 12-week rehabilitation programme significantly improved Dyspnea-12 (D-12), Duke Activity Status Index (DASI), World Health Orginaisation-5 (WHO-5) and EQ-5D-5L utility scores (all p < 0.001), with the 95% confidence intervals (CI) for the improvement in each of these outcomes exceeding the minimum clinically important difference (MCID) for each measure (mean change [CI]: D-12: −3.4 [−3.9, −2.9]; DASI: 9.2 [8.2, 10.1]; WHO-5: 20.3 [18.6, 22.0]; EQ-5D-5L utility: 0.11 [0.10, 0.13]). …”
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Supplementary information files for COVID-19 lockdowns: a worldwide survey of circadian rhythms and sleep quality in 3911 athletes from 49 countries, with data-driven recommendatio... by Mohamed Romdhani, Dale E Rae, Mathieu Nédélec, Achraf Ammar, Hamdi Chtourou, Ramzi Al Horani, Helmi Ben Saad, Nicola Bragazzi, Gürhan Dönmez, Tarak Driss, Hugh HK Fullagar, Abdulaziz Farooq, Sergio Garbarino, Omar Hammouda, Bahar Hassanmirzaei, Karim Khalladi, Syrine Khemila, Leonardo Jose Mataruna-Dos-Santos, Imen Moussa-Chamari, Iñigo Mujika, Hussein Muñoz Helú, Amin Norouzi Fashkhami, Laisa Liane Paineiras-Domingos, Mehrshad Rahbari Khaneghah, Yoshitomo Saita, Khaled Trabelsi, Jacopo Antonino Vitale, Jad Adrian Washif, Johanna Weber, Nizar Souissi, Lee Taylor, Karim Chamari

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Collaboration across three continents during and after a global pandemic: reflections of early and established career academics by Ashleigh Filtness, Andrew Morris, Amy ODell, Elena Fratini, Alice Bishop, Laurie Brown, Andry Rakotonirainy, Narelle Haworth, Sebastien Glaser, Ronald Schroeter, Jorge Pardo, Mo Faramarzian Borojeni, Dingming Qin, Qian Liu, Caiyang Ye, Xuesong Wang

“…Reflection is made on how personal experience differs by careers stage comparing options of authors who are current Ph.D students (early-career n = 8) and those who had worked in research for at least 5 years prior to the pandemic (established-career n = 8). …”
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Influence of guideline operationalization on youth activity prevalence in the International Children's Accelerometry Database by Catherine Gammon, Andrew J. Atkin, Kirsten Corder, Ulf Ekelund, Bjørge Herman Hansen, Lauren Sherar, Lars Bo Andersen, Sigmund Anderssen, Rachel Davey, Pedro C. Hallal, Russell Jago, Susi Kriemler, Peter Lund Kristensen, Soyang Kwon, Kate Northstone, Russell Pate, Jo Salmon, Luis B. Sardinha, Esther M. F. Van Sluijs

“…Methods: Cross-sectional accelerometer data (n = 21,612, 5-18 yr) were used to examine compliance with four guideline definitions: daily method (DM; ≥60 min MVPA every day), average method (AM; average of ≥60 min MVPA per day), AM5 (AM compliance and ≥5 min of vigorous PA [VPA] on ≥3 d), and AM15 (AM compliance and ≥15 min VPA on ≥3 d). …”
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Moderate-to-vigorous physical activity and sedentary time and cardiometabolic risk factors in children and adolescents by Ulf Ekelund, Jian'an Luan, Lauren Sherar, Dale Esliger, Pippa Griew, Ashley R. Cooper

“…Results: Times (mean [SD] min/d) accumulated by children in MVPA and being sedentary were 30 (21) and 354 (96), respectively. …”
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Fast current mapping of photovoltaic devices using compressive sampling by George Koutsourakis, Xiaofeng Wu, Matt Cashmore, Simon R.G. Hall, Martin Bliss, Tom Betts, Ralph Gottschalg

“…Initial measurement results show that current maps of PV cells can be acquired with 75% fewer measurements which, combined with the fast response of the pattern generator, can reduce LBIC measurement time by an order of magnitude.…”
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Supplementary information files for Influence of Guideline Operationalization on Youth Activity Prevalence in the International Children’s Accelerometry Database by Catherine Gammon, Andrew J. Atkin, Kirsten Corder, Ulf Ekelund, Bjørge Herman Hansen, Lauren Sherar, Lars Bo Andersen, Sigmund Anderssen, Rachel Davey, Pedro C. Hallal, Russell Jago, Susi Kriemler, Peter Lund Kristensen, Soyang Kwon, Kate Northstone, Russell Pate, Jo Salmon, Luis B. Sardinha, Esther M. F. Van Sluijs

“…Methods Cross-sectional accelerometer data (n = 21,612, 5–18 yr) were used to examine compliance with four guideline definitions: daily method (DM; ≥60 min MVPA every day), average method (AM; average of ≥60 min MVPA per day), AM5 (AM compliance and ≥5 min of vigorous PA [VPA] on ≥3 d), and AM15 (AM compliance and ≥15 min VPA on ≥3 d). …”
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