COVID-19 in German Competitive Sports: Protocol for a Prospective Multicenter Cohort Study (CoSmo-S) oleh Andreas Michael Niess, Manuel Widmann, Roman Gaidai, Christian Gölz, Isabel Schubert, Katty Castillo, Jan Philipp Sachs, Daniel Bizjak, Shirin Vollrath, Fritz Wimbauer, Azin Vogel, Karsten Keller, Karsten Keller, Christof Burgstahler, Anne Quermann, Arno Kerling, Gerald Schneider, Jonas Zacher, Katharina Diebold, Maximilian Grummt, Claudia Beckendorf, Johannes Buitenhuis, Florian Egger, Andreas Venhorst, Oliver Morath, Friedrich Barsch, Klaus-Peter Mellwig, Julian Oesterschlink, Jan Wüstenfeld, Jan Wüstenfeld, Hans-Georg Predel, Peter Deibert, Birgit Friedmann-Bette, Frank Mayer, Anja Hirschmüller, Martin Halle, Jürgen Michael Steinacker, Bernd Wolfarth, Bernd Wolfarth, Tim Meyer, Erwin Böttinger, Marion Flechtner-Mors, Wilhelm Bloch, Bernhard Haller, Kai Roecker, Claus Reinsberger