1. Divison of Pediatric Endocrinology and Diabetes (C.D., D.T., M.W.), Department of Pediatrics and Adolescent Medicine, University Hospital of Ulm, 89075 Ulm, Germany
2. Department of Biometry and Medical Documentation (R.M.), University of Ulm, 89069 Ulm, Germany
3. Department of Internal Medicine II (W.Ko.), University Hospital of Ulm, 89075 Ulm, Germany
4. Children’s Hospital Hochried (H.M.), 82418 Murnau, Germany
5. Department of Internal Medicine I (W.Kr.), University Hospital of Ulm, 89075 Ulm, Germany