1. Division of Rheumatology and Immunology Department of Medicine II University Hospital Wurzburg Germany
2. Department of Paediatric Surgery University Children's Hospital of Basel
3. Department of Gastroenterology and Hepatology University Hospital Zurich Zurich Switzerland
4. Digestive Function: Basel, Laboratory and Clinic for Motility Disorders and Functional Digestive Diseases Klinik Arlesheim Arlesheim Switzerland
5. Division of Hepatology Department of Medicine II University Hospital Wurzburg Germany
6. Institute of Intensive Care University Hospital Zurich Zurich Switzerland
7. Institute of Veterinary Physiology, Vetsuisse Faculty and Zurich Center for Integrative Human Physiology University of Zurich Zurich Switzerland
8. Department of Gastroenterology and Hepatology University Hospital Zurich Zentrum für Gastroenterologie und Hepatologie Zurich Switzerland