Affiliation: | a Department of Internal Medicine III, University of Technology Aachen, Pauwelsstrasse 30, 52074 Aachen, Germany b Department of Clinical Pharmacology, Charité-Humboldt-University, Berlin, Germany c Divisions of Gastroenterology/Hepatology, Department of Internal Medicine, University Hospital, Zurich, Switzerland d Divisions of Clinical Pharmacology/Toxicology, Department of Internal Medicine, University Hospital, Zurich, Switzerland |