Definitions of digital biomarkers: a systematic mapping of the biomedical literature by Lars G Hemkens, Julian Hirt, Perrine Janiaud, Ana Karen Macias Alonso, Tim Woelfle

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Reply to: On meta-analytic models and the effect of hydroxychloroquine use in COVID-19 by Andreas M. Schmitt, Cathrine Axfors, David Moher, Steven N. Goodman, John P. A. Ioannidis, Lars G. Hemkens

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Exploring the characteristics, methods and reporting of systematic reviews with meta-analyses of time-to-event outcomes: a meta-epidemiological study by Marius Goldkuhle, Caroline Hirsch, Claire Iannizzi, Ana-Mihaela Zorger, Ralf Bender, Elvira C. van Dalen, Lars G. Hemkens, Ina Monsef, Nina Kreuzberger, Nicole Skoetz

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Ten simple rules for good research practice. by Simon Schwab, Perrine Janiaud, Michael Dayan, Valentin Amrhein, Radoslaw Panczak, Patricia M Palagi, Lars G Hemkens, Meike Ramon, Nicolas Rothen, Stephen Senn, Eva Furrer, Leonhard Held

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Methods and results used in the development of a consensus-driven extension to the Consolidated Standards of Reporting Trials (CONSORT) statement for trials conducted using cohorts... by Chris Gale, David Torgerson, Lehana Thabane, Brett D Thombs, Eric I Benchimol, David Erlinge, Philippe Ravaud, Danielle B Rice, Linda Kwakkenbos, Maureen Sauve, Helena M Verkooijen, Ole Fröbert, Merrick Zwarenstein, Lars G Hemkens, Margaret Sampson, Clare Relton, Jon Nicholl, John Fletcher, Sinéad M Langan, Mahrukh Imran, Marion K Campbell, Stephen J McCall, Kimberly A McCord, Rudolf Uher, Edmund Juszczak

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Gaps in the Ottawa Statement on the Ethical Design and Conduct of Cluster Randomized Trials: a citation analysis reveals a need for updated ethics guidelines by Cory E. Goldstein, Jessica du Toit, Nicholas B. Murphy, Stuart G. Nicholls, Julia F. Shaw, Fernando Althabe, Ariella Binik, Jamie Brehaut, Sandra Eldridge, Rashida A. Ferrand, Katie Gillies, Bruno Giraudeau, Rieke van der Graaf, Lars G. Hemkens, Karla Hemming, Mira Johri, Scott Y. H. Kim, Emily Largent, Alex John London, Lawrence Mbuagbaw, Susan L. Mitchell, Maureen Smith, Peter Tugwell, Shaun Treweek, Vivian A. Welch, Monica Taljaard, Charles Weijer

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Master protocol for a series of cohort-based randomized controlled trials to test tools to communicate research results to study participants and others with relevant lived experie... by Brett D. Thombs, Claire Adams, Elsa-Lynn Nassar, Marie-Eve Carrier, Meira Golberg, Kanika Bharthi, Amanda Wurz, Annabelle South, Linda Kwakkenbos, Sabrina Hoa, Danielle B. Rice, Geneviève Guillot, Amanda Lawrie-Jones, Maureen Sauvé, Susan J. Bartlett, Catherine Fortune, Amy Gietzen, Karen Gottesman, Marie Hudson, Laura K. Hummers, Vanessa L. Malcarne, Maureen D. Mayes, Michelle Richard, James Stempel, Robyn K. Wojeck, Kathleen Blagrave, Jill T. Boruff, Vanessa Cook, Nicole Culos-Reed, Ole Fröbert, Katie Gillies, Vera Granikov, Lars G. Hemkens, Elizabeth Yakes Jimenez, Agnes Kocher, Catarina Leite, Mathew A. W. T. Lim, Nancy Maltez, John Michalski, Tracy Mieszczak, Mwidimi Ndosi, Janet Pope, François Rannou, Ken Rozee, Sharon E. Straus, Matthew R. Sydes, Lehana Thabane, John Varga, Tami Yap, Merrick Zwarenstein, Luc Mouthon, Andrea Benedetti, SPIN Investigators

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Mortality outcomes with hydroxychloroquine and chloroquine in COVID-19 from an international collaborative meta-analysis of randomized trials by Cathrine Axfors, Andreas M. Schmitt, Perrine Janiaud, Janneke van’t Hooft, Sherief Abd-Elsalam, Ehab F. Abdo, Benjamin S. Abella, Javed Akram, Ravi K. Amaravadi, Derek C. Angus, Yaseen M. Arabi, Shehnoor Azhar, Lindsey R. Baden, Arthur W. Baker, Leila Belkhir, Thomas Benfield, Marvin A. H. Berrevoets, Cheng-Pin Chen, Tsung-Chia Chen, Shu-Hsing Cheng, Chien-Yu Cheng, Wei-Sheng Chung, Yehuda Z. Cohen, Lisa N. Cowan, Olav Dalgard, Fernando F. de Almeida e Val, Marcus V. G. de Lacerda, Gisely C. de Melo, Lennie Derde, Vincent Dubee, Anissa Elfakir, Anthony C. Gordon, Carmen M. Hernandez-Cardenas, Thomas Hills, Andy I. M. Hoepelman, Yi-Wen Huang, Bruno Igau, Ronghua Jin, Felipe Jurado-Camacho, Khalid S. Khan, Peter G. Kremsner, Benno Kreuels, Cheng-Yu Kuo, Thuy Le, Yi-Chun Lin, Wu-Pu Lin, Tse-Hung Lin, Magnus Nakrem Lyngbakken, Colin McArthur, Bryan J. McVerry, Patricia Meza-Meneses, Wuelton M. Monteiro, Susan C. Morpeth, Ahmad Mourad, Mark J. Mulligan, Srinivas Murthy, Susanna Naggie, Shanti Narayanasamy, Alistair Nichol, Lewis A. Novack, Sean M. O’Brien, Nwora Lance Okeke, Léna Perez, Rogelio Perez-Padilla, Laurent Perrin, Arantxa Remigio-Luna, Norma E. Rivera-Martinez, Frank W. Rockhold, Sebastian Rodriguez-Llamazares, Robert Rolfe, Rossana Rosa, Helge Røsjø, Vanderson S. Sampaio, Todd B. Seto, Muhammad Shahzad, Shaimaa Soliman, Jason E. Stout, Ireri Thirion-Romero, Andrea B. Troxel, Ting-Yu Tseng, Nicholas A. Turner, Robert J. Ulrich, Stephen R. Walsh, Steve A. Webb, Jesper M. Weehuizen, Maria Velinova, Hon-Lai Wong, Rebekah Wrenn, Fernando G. Zampieri, Wu Zhong, David Moher, Steven N. Goodman, John P. A. Ioannidis, Lars G. Hemkens

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