1 Department II of Internal Medicine and Center for Molecular Medicine Cologne, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany; Emergency Department, University of Cologne, Faculty of Medicine and University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany.
2 Institute for Emergency Medicine, University Hospital Schleswig-Holstein, Arnold-Heller-Straße 3, Building 404, 24105 Kiel, Germany; Department of Anaesthesiology and Intensive Care Medicine, University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, Building R3, 24105 Kiel, Germany.