1. Department of Internal Medicine I University Hospital Ulm Albert‐Einstein Allee 23 89081 Ulm Germany
2. Institute for Diabetes and Regeneration Helmholtz Zentrum München Ingolstädter Landstraße 1 85764 Neuherberg Germany
3. Institute of Medical Systems Biology Ulm University Albert‐Einstein Allee 11 89081 Ulm Germany
4. Department of Gastroenterology Hepatology and Endocrinology Hannover Medical School Feodor‐Lynen‐Str. 7 30625 Hannover Germany
5. Core Facility for Cell Sorting and Cell Analysis University Medical Center Rostock Schillingallee 70 18057 Rostock Germany
6. Diabetes Center University of California San Francisco CA 94143 USA
7. Institute of Molecular Oncology and Functional Genomics TranslaTUM Cancer Center Technical University of Munich Ismaninger Str. 22 81675 Munich Germany
8. Bayer AG Research & Development Pharmaceuticals Müllerstraße 178 13353 Berlin Germany
9. Department of Medicine A University Medicine Greifswald Ferdinand‐Sauerbruch‐Straße 17475 Greifswald Germany
10. Klinikum der Ludwig‐Maximilians‐Universität München‐Großhadern Marchioninistraße 15 81377 München Germany
11. Institute of Neuroanatomy & Developmental Biology INDB Eberhard Karls University Tübingen Österbergstr. 3 72074 Tübingen Germany