Erasmus University Rotterdam (EUR) - Department of Viroscience, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Marburg, Philipps University Marburg - Institute of Virology, University of Marburg, University of Hamburg - University Medical Center Hamburg-Eppendorf, Erasmus Medical Center - Viroscience Department, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, Erasmus University Rotterdam (EUR) - Department of Viroscience, Ludwig Maximilian University of Munich (LMU), University of Marburg, Erasmus Medical Center - Viroscience Department, University Medical Center Hamburg-Eppendorf - First Department of Medicine and Independent