1 Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
2 Institute of Virology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
3 German Center for Infection Research (DZIF), Partner site Bonn-Cologne, Cologne, Germany.
4 Praxis für Nieren- und Hochdruckkrankheiten, Nierenzentrum Bonn, Bonn, Germany.
5 CECAD, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
6 Department of General, Visceral, Cancer and Transplant Surgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.