1 Division of Infectious Diseases, Department of Internal Medicine I, University Hospital Tübingen, 72076 Tübingen, Germany; German Center for Infection Research-Clinical Research Unit (DZIF-CRU), Tübingen, Germany.
2 Division of Infectious Diseases, Department of Medicine II, University Hospital and Medical Center Freiburg, Freiburg, Germany.
3 Division of Infectious Diseases, Department of Internal Medicine I, University Hospital Tübingen, 72076 Tübingen, Germany; Division of Infectious Diseases, Department of Internal Medicine I, University Hospital Tübingen, 72076 Tübingen, Germany; Division of Infectious Diseases, Department of Diagnostic and Public Health, University of Verona, 37134 Verona, Italy. Electronic address: evelina.tacconelli@univr.it.