1. Department of Endocrinology and Metabolism (N.R., L.F., M.B., M.R., F.B.), Medizinische Klinik-Innenstadt, University Hospital Munich, D-80336 Munich, Germany
2. Centre for Endocrinology, Diabetes, and Metabolism (N.R.), School of Clinical and Experimental Medicine, University of Birmingham, Birmingham B15 2TT, United Kingdom
3. Department of Radiology (M.S., U.M.-L.), University Hospital Munich, D-80336 Munich, Germany
4. Department of Endocrinology (H.-P.S.), von Haunersches Kinderspital, University Hospital Munich, D-80336 Munich, Germany
5. Clinical Endocrinology (M.Q.), Charité Campus Mitte, Charité University Medicine Berlin, D-10117 Berlin, Germany