1Medical Department III, Endocrinology, Nephrology, and Rheumatology, University Hospital of Leipzig, Leipzig, Germany
2Department of Molecular Systems Biology, Helmholtz Center for Environmental Research-UFZ, Permoserstraße 15, 04318 Leipzig, Germany
3Division of Bariatric Surgery, Clinic of Visceral, Transplant, Thoracic, and Vascular Surgery, University Hospital, Liebigstraße 20, D-4015, Leipzig, Germany
4Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital, Würzburg, Germany
5Institute of Biochemistry, Faculty of Life Sciences, University of Leipzig, Talstraße 33, 04103 Leipzig, Germany
6Department of Experimental Surgery, University Hospital Würzburg, 97080 Würzburg, Germany
7Rudolf Boehm Institute of Pharmacology and Toxicology, University of Leipzig, Härtelstraße 16-18, 04107 Leipzig, Germany
8Division of Endocrinology, Diabetes, and Metabolism, Medical Department I, University Hospital of Bonn, Bonn, Germany
