Institution: | 1 Infectious Diseases Service, Department of Medicine, University Hospital and University of Lausanne, Switzerland 2 Institute of Microbiology, University Hospital and University of Lausanne, Switzerland 3 Division of Clinical Pharmacology, University Hospital, Bern, Switzerland 4 Division of Gastroenterology and Hepatology, University Hospital, Zurich, Switzerland 5 Division of Gastroenterology, Canton Hospital, St. Gallen, Switzerland 6 Division of Gastroenterology and Hepatology, University Hospital, Basel, Switzerland 7 Division of Gastroenterology and Hepatology, CHUV, Lausanne, Switzerland 8 Clinica Moncucco, Lugano, Switzerland 9 Pourtalès Hospital, Neuchâtel, Switzerland 10 Division of Clinical Pathology, University Hospitals, Geneva, Switzerland 11 Institute of Social and Preventive Medicine, CHUV, Lausanne, Switzerland 12 Division of Gastroenterology and Hepatology, University Hospitals, Geneva, Switzerland |