1. Endocrinology and Metabolism (N.R., L.F., M.B., F.B., M.Re.), University Hospital München, D-80336 München, Germany
2. Medizinische Klinik-Innenstadt, Department of Radiology (M.S.), University Hospital München, D-80336 München, Germany
3. Institute of Medical Information Technology, Biometry and Epidemiology (M.Ro.), Ludwig-Maximilians-Universität, München D-81377, Germany
4. Psychosomatic Ambulance and Outpatient Clinic (F.P.G.), University Hospital München, D-80336 München, Germany
5. Outpatient Clinic of Andrology, Department of Dermatology (H.W.), University Hospital München, D-80336 München, Germany
6. Department of Endocrinology, von Haunersches Kinderspital (H.-P.S.), University Hospital München, D-80336 München, Germany
7. Clinical Endocrinology (M.Q.), Charité Campus Mitte, Charité University Medicine Berlin, Berlin 13353, Germany