Interdisciplinary Metabolic Medicine Trials Unit, Department of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria.Interdisciplinary Metabolic Medicine Trials Unit, Department of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria.Medical Division for Endocrinology, Rheumatology and Acute Geriatrics, Wilhelminen Hospital Vienna, 1160 Vienna, Austria.Clinical Division for Internal Medicine, Endocrinology, Diabetology and Metabolic Diseases, St. Vinzenz Hospital Zams, 6511 Zams, Austria.Clinical Division for Internal Medicine, Konventhospital Barmherzige Brüder Linz, 4020 Linz, Austria.Medical Division for Endocrinology, Rheumatology and Acute Geriatrics, Wilhelminen Hospital Vienna, 1160 Vienna, Austria.4th Medical Division with Infectiology, SMZ Süd-KFJ-Hospital Vienna, 1100 Vienna, Austria.Clinical Division for Endocrinology and Diabetology and Metabolic Diseases, AKH Vienna, 1090 Vienna, Austria.Clinical Division for Internal Medicine, Konventhospital Barmherzige Brüder Linz, 4020 Linz, Austria.Interdisciplinary Metabolic Medicine Trials Unit, Department of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria.Interdisciplinary Metabolic Medicine Trials Unit, Department of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria.4th Medical Division with Infectiology, SMZ Süd-KFJ-Hospital Vienna, 1100 Vienna, Austria.3rd Department and Karl Landsteiner, Institute for Metabolic Diseases and Nephrology, Clinic Hietzing, Vienna Health Care Group, 1130 Vienna, Austria.Department for Internal Medicine I, Medical University Innsbruck, 6020 Innsbruck, Austria.Clinical Division for Cardiology, Medical University Graz, 8036 Graz, Austria.Department for Internal Medicine I, Paracelsus Medical University, 5020 Salzburg, Austria.Division for Internal Medicine, Hospital Melk, 3390 Melk, Austria.3rd Department and Karl Landsteiner, Institute for Metabolic Diseases and Nephrology, Clinic Hietzing, Vienna Health Care Group, 1130 Vienna, Austria.Interdisciplinary Metabolic Medicine Trials Unit, Department of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria.Division for Internal Medicine, Hospital Melk, 3390 Melk, Austria.Clinical Division for Endocrinology and Diabetology and Metabolic Diseases, AKH Vienna, 1090 Vienna, Austria.3rd Department and Karl Landsteiner, Institute for Metabolic Diseases and Nephrology, Clinic Hietzing, Vienna Health Care Group, 1130 Vienna, Austria.Department for Exercise Physiology & Metabolism, University of Bayreuth, 95445 Bayreuth, Germany.Division for Internal Medicine, Hospital Stockerau, 2000 Stockerau, Austria.Department for Internal Medicine I, Medical University Innsbruck, 6020 Innsbruck, Austria.Interdisciplinary Metabolic Medicine Trials Unit, Department of Endocrinology and Diabetology, Medical University of Graz, 8036 Graz, Austria.