Potential pitfalls in the use of real-world data for studying long COVID

Harrison G. Zhang, Jacqueline Honerlaw, Monika Maripuri, Malarkodi Jebathilagam Samayamuthu, Brendin R. Beaulieu‐Jones, Huma S. Baig, Sehi L’Yi, Yuk‐Lam Ho, Michele Morris, Vidul Ayakulangara Panickan, Xuan Wang, Griffin M. Weber, Katherine P. Liao, Shyam Visweswaran, Bryce W. Q. Tan, William Yuan, Nils Gehlenborg, Sumitra Muralidhar, Rachel Ramoni, James R. Aaron, Giuseppe Agapito, Adem Albayrak, Giuseppe Albi, M Alessiani, Anna Alloni, Danilo F. Amendola, François Angoulvant, Li L.L.J. Anthony, Bruce J. Aronow, Fatima Ashraf, Andrew M. Atz, Paul Avillach, Paula S. Azevedo, James Balshi, Brett K. Beaulieu‐Jones, Douglas S. Bell, Antonio Bellasi, Riccardo Bellazzi, Vincent Benoît, Michele Beraghi, José Luis Bernal-Sobrino, Mélodie Bernaux, Romain Bey, Surbhi Bhatnagar, Alvar Blanco-Martínez, Clara-Lea Bonzel, John Booth, Silvano Bòsari, Florence T. Bourgeois, Robert L. Bradford, Stéphane Breant, Nicholas W. Brown, Raffaele Bruno, William Bryant, Mauro Bucalo, Emily M. Bucholz, Anita Burgun, Tianxi Cai, Mario Cannataro, Aldo Carmona, Charlotte Caucheteux, Julien Champ, Jin Chen, Krista Y. Chen, Luca Chiovato, Lorenzo Chiudinelli, Kelly Cho, James J. Cimino, Tiago K. Colicchio, Sylvie Cormont, Sébastien Cossin, Jean B. Craig, Juan Luis Cruz-Bermúdez, Jaime Cruz‐Rojo, Arianna Dagliati, Mohamad Daniar, Christel Daniel, Priyam Das, Batsal Devkota, Audrey Dionne, Rui Duan, Julien Dubiel, Scott L. DuVall, Loïc Estève, Hossein Estiri, Shirley Fan, Robert W Follett, Thomas Ganslandt, Noelia García Barrio, Lana X. Garmire, Emily Getzen, Alon Geva, Tobias Gradinger, Alexandre Gramfort, Romain Griffier, Nicolas Griffon, Olivier Grisel, Alba Gutiérrez‐Sacristán, Larry Han, David A. Hanauer, Christian Haverkamp, Derek Hazard, Bing He, Darren W. Henderson, Martin Hilka, John H. Holmes, Chuan Hong, Kenneth M. Huling, Meghan R. Hutch, Richard Issitt, Anne‐Sophie Jannot, Vianney Jouhet, Ramakanth Kavuluru, Mark S. Keller, Chris J. Kennedy, Daniel Key, Katie Kirchoff, Jeffrey G. Klann, Ian D. Krantz, Detlef Kraska, Ashok Krishnamurthy, Trang T. Le, Judith Leblanc, Guillaume Lemaître, Leslie Lenert, Damien Leprovost, Molei Liu, Ne Hooi Will Loh, Qi Long, Sara Lozano‐Zahonero, Yuan Luo, Kristine E. Lynch, Sadiqa Mahmood, Sarah E. Maidlow, Adeline Makoudjou, Alberto Malovini, Kenneth D. Mandl, Chengsheng Mao, Anupama Maram, Patricia Martel, Marcelo Roberto Martins, Jayson S. Marwaha, Aaron J. Masino, Maria Mazzitelli, Arthur Mensch, Marianna Milano, Marcos Ferreira Minicucci, Bertrand Moal, Taha Mohseni Ahooyi, Jason H. Moore, Cinta Moraleda, Jeffrey S. Morris, Karyn Moshal, Sajad Mousavi, Danielle L. Mowery, Douglas A. Murad, Shawn N. Murphy, Thomas P. Naughton, Carlos Tadeu Breda Neto, Antoine Neuraz, Jane W. Newburger, Kee Yuan Ngiam, Wanjikũ Njoroge, James B. Norman, Jihad S. Obeid, Marina Politi Okoshi, Karen L. Olson, Gilbert S. Omenn, Nina Orlova, Brian D. Ostasiewski, Nathan Palmer, Nicolás Paris, Lav P. Patel, Miguel Pedrera‐Jiménez, Emily Pfaff, Ashley Pfaff, Danielle Pillion, Sara Pizzimenti, Hans U. Prokosch, Robson Prudente, Andrea Prunotto, Víctor Quirós González, Maryna Raskin, Siegbert Rieg, Gustavo Roig-Domínguez, Pablo Rojo, Paula Rubio-Mayo, Paolo Sacchi, Carlos Sáez, Elisa Salamanca, L. Nelson Sanchez‐Pinto, Arnaud Sandrin, Nandhini Santhanam, Janaina C.C. Santos, Fernando J Sanz Vidorreta, Emily Schriver, Petra Schubert, Juergen Schuettler, Luigia Scudeller, Neil J. Sebire, Pablo Serrano Balazote, Patricia Serre, Arnaud Serret-Larmande, Mohsin Shah, Zahra Shakeri Hossein Abad, Domenick Silvio, Piotr Sliz, Jiyeon Son, Charles Sonday, Andrew M. South, Anastassia Spiridou, Zachary H. Strasser, Amelia L.M. Tan, Byorn W.L. Tan, Suzana Érico Tanni, Deanne M. Taylor, Ana I. Terriza-Torres, Valentina Tibollo, Patric Tippmann, Emma M. S. Toh, Carlo Torti, Enrico Maria Trecarichi, Yi‐Ju Tseng, Andrew K. Vallejos, Gaël Varoquaux, Margaret E. Vella, Guillaume Verdy, Jill-Jênn Vie, Michele Vitacca, Kavishwar B. Wagholikar, Lemuel R. Waitman, Demián Wassermann, Martin Wolkewitz, Scott W. Wong, Xin Xiong, Ye Ye, Nadir Yehya, Alberto Zambelli, Daniela Zöller, Valentina Zuccaro, Chiara Zucco, Isaac S. Kohane, Zongqi Xia, Gabriel A. Brat