1. Department of Internal Medicine IV, LMU Hospital Ludwig‐Maximilians‐Universität München (LMU) Munich Germany
2. Department of Medicine I Goethe University Hospital Frankfurt Germany
3. Department of Internal Medicine I, Division of Endocrinology/Diabetology University of Würzburg Würzburg Germany
4. Department of Endocrinology I, Medical Clinic University Medical Center Augsburg Augsburg Germany
5. Private Practice of Endocrinology and Nuclear Medicine Heidelberg Germany
6. Institute for Medical Information Processing, Biometry and Epidemiology Ludwig‐Maximilians‐Universität München (LMU) Munich Germany
7. Division of Endocrinology, Diabetology and Metabolism University Hospital of Basel Basel Switzerland
8. Division of Endocrinology, Diabetes, Metabolism and Nutrition, Adjunct Academic Appointment Mayo Clinic Rochester Rochester Minnesota USA
9. Comprehensive Cancer Center Mainfranken University of Würzburg Würzburg Germany