University Hospital Zurich, Division of Psychiatry and Psychotherapy, Zurich, ZH, Switzerland
University Hospital Zurich, Division of Cardiovascular Surgery, Zurich, ZH, Switzerland
University Hospital Zurich, Div of Infectious Diseases and Hospital Epidemiology, Zurich, ZH, Switzerland
Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
University Hospital Basel, Basel, Switzerland
University Hospital Zurich, Division of Anaesthesiology, Zurich, ZH, Switzerland
University Hospital Zurich, Rheumatology Department, Zurich, ZH, Switzerland
University Hospital Zurich, Department of Psychiatry, Zurich, ZH, Switzerland
University Hospital Zurich, Division of Pneumology, Zurich, ZH, Switzerland
University Hospital Zurich, Division of Pneumology, Zurich, ZH, Switzerland
University Hospital Basel, Basel, Switzerland