1. Department of Medicine IV, LMU University Hospital, LMU Munich , 80336 Munich , Germany
2. Deggendorf Institute of Technology , 94469 Deggendorf , Germany
3. Department of General, Visceral and Transplantation Surgery, LMU University Hospital, LMU Munich , 80336 Munich , Germany
4. Department of Neurosurgery, LMU University Hospital, LMU Munich , 80336 Munich , Germany
5. Department of Endocrinology, Diabetology, and Clinical Nutrition, University Hospital Zurich (USZ) and University of Zurich (UZH) , 8091 Zurich , Switzerland
6. The LOOP Zurich—Medical Research Center , 8044 Zurich , Switzerland