1. From the University of Leipzig, Department of Endocrinology and Nephrology (W.F., A.T.), and Leipzig University Medical Center, Integrated Research and Treatment Center Adiposity Diseases (W.F.), Leipzig, the Department of Internal Medicine I, Division of Endocrinology and Diabetes, University Hospital, University of Würzburg (I.C., M.K., M.F.), and the Clinical Trial Center (U.M.) and Central Laboratory (M.F.), University Hospital Würzburg, Würzburg, Medizinische Klinik und Poliklinik IV, Ludwig...