1. Department of Research (S.B., J.D., C.B.), University Hospital, CH-4031 Basel, Switzerland
2. Department of Internal Medicine II, Ludwig-Maximilians University, 80539 Munich, Germany
3. Department of Gastroenterology and Clinical Research Centre (J.D., C.B.), University Hospital, CH-4031 Basel, Switzerland
4. Clinical Research Unit (J.S., B.G.), University Hospital, CH-4031 Basel, Switzerland
5. Rotta Pharma Spa (M.D.), 20052 Monza, Italy