Long-term Consequences of COVID-19 and the Pandemic: Protocol for a Web-Based, Longitudinal Observational Study (DEFEAT) oleh Marie Mikuteit, Stephanie Heinemann, Sascha Roder, Jacqueline Niewolik, Dominik Schröder, Kai Vahldiek, Sandra Klawitter, Anne Cossmann, Torsten Bergemann, Chantal Degen, Frank Klawonn, Georg Martin Norbert Behrens, Frank Müller, Alexandra Dopfer-Jablonka, Sandra Steffens