University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Center for Molecular Medicine Cologne (CMMC), University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute of Virology, University of Cologne - Institute for Clinical Chemistry, University of Cologne - Department I of Internal Medicine, University of Cologne - Division of Infectious Diseases, University of Cologne - Division of Infectious Diseases, University of Cologne - Institute of Virology, University Medical Center Hamburg-Eppendorf - Department of Tropical Medicine, University of Cologne - Division of Infectious Diseases, University of Tuebingen - Methods in Medical Informatics, University of Tuebingen - Methods in Medical Informatics, University of Cologne - Department I of Internal Medicine, University of Cologne - Division of Infectious Diseases and Charité - Universitätsmedizin Berlin - Department of Infectious Diseases and Respiratory Medicine