Ruhr University of Bochum - Department of Medicine I, Ruhr University of Bochum - Department of Molecular & Medical Virology, Ruhr University of Bochum - Department of Medical Informatics, Biometry and Epidemiology, Ruhr University of Bochum - Department of Medical Informatics, Biometry and Epidemiology, Ruhr University of Bochum - Department of Medical Informatics, Biometry and Epidemiology, Ruhr University of Bochum - Department of Medicine I, Ruhr University of Bochum - Department of Dermatology, Venerology and Allergology, Ruhr University of Bochum - Department of Dermatology, Venerology and Allergology, Ruhr University of Bochum - Central Laboratory, Ruhr University of Bochum - Department of Medicine I, Ruhr University of Bochum - Department of Molecular & Medical Virology, Ruhr University of Bochum - Department of Molecular & Medical Virology, Heinrich Heine University Dusseldorf - Institute of Virology, Heinrich Heine University Dusseldorf - Institute of Virology, Ruhr University of Bochum - Department of Medicine I and Ruhr University of Bochum - Department of Medicine I