1 Department of General Internal Medicine, University Hospital Inselspital Bern, Bern 3010, Switzerland.
2 Department of Medicine, Second Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Macedonia, Greece.
3 First Department of Pharmacology, Department of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Macedonia, Greece.
4 St. Elisabeth-Hospital Herten GmbH, Herten, Germany.
5 Emergency Department, University Hospital Inselspital Bern, Bern 3010, Switzerland.