1. Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism, Inselspital Bern University Hospital, University of Bern Bern Switzerland
2. Department of Management, Technology, and Economics ETH Zurich Zurich Switzerland
3. Department of Visceral Surgery Hirslanden Clinic Beau‐Site Bern Switzerland
4. Department of Visceral Surgery Lindenhofspital Bern Switzerland
5. Department of Visceral Surgery and Medicine, Inselspital Bern Bern University Hospital, University of Bern Bern Switzerland
6. Institute of Technology Management University of St. Gallen St. Gallen Switzerland