1. Endocrinology and Diabetes Unit (S.H., M.L., M.F., D.W., A.-C.K., B.A.), Department of Medicine I, University of Wuerzburg, 97080 Wuerzburg, Germany
2. Clinical Endocrinology, (M.Q.), Department of Medicine, Gastroenterology, Hepatology and Endocrinology, Charité Campus Mitte, Charité University Medicine Berlin, 10117 Berlin, Germany
3. Department of Psychotherapy and Psychosomatic Medicine (O.D.), University Hospital Leipzig, 04103 Leipzig, Germany
4. Division of Medical Sciences (W.A.), University of Birmingham, Birmingham B29 7EX, United Kingdom