1. Institute of Diabetes Research, Helmholtz Zentrum München, and Forschergruppe Diabetes, Klinikum rechts der Isar; Technische Universität München; 85764 Neuherberg Germany
2. Forschergruppe Diabetes e.V.; 85764 Neuherberg Germany
3. Department of Pediatrics; Technische Universität München; 80804 Munich Germany
4. Division of Endocrinology, Department of Pediatrics; University of Florida; PO Box 100296 Gainesville FL 32610 USA
5. Department of Pathology; University of Florida College of Medicine; Gainesville FL 32610 USA
6. Vita34 AG; 04103 Leipzig Germany