1. IFB AdiposityDiseases; University of Leipzig; Leipzig Germany
2. Department of Medicine; University of Leipzig; Leipzig Germany
3. German Center for Diabetes Research (DZD); Leipzig Germany
4. Städtisches Klinikum Karlsruhe; Clinic of Visceral Surgery; Karlsruhe Germany
5. Municipal Clinic Dresden-Neustadt; Dresden Germany
6. Department of Surgery; University of Leipzig; Leipzig Germany