1. Swiss Hepato‐Pancreato‐Biliary Center, Department of Visceral and Transplantation Surgery University Hospital Zurich Switzerland
2. Division of Endocrinology, Diabetes and Clinical Nutrition University Hospital Zurich Switzerland
3. School of Health Sciences, College of Health and Medicine University of Tasmania Launceston Tasmania Australia
4. Center for Integrative Human Physiology (ZIHP) University of Zurich Zurich Switzerland