1. Department of Pediatric Endocrinology and Diabetes; University Hospital Jena; Jena Germany
2. Department of Pediatric Endocrinology and Diabetology; University Hospital Munich; Munich Germany
3. Institute of Epidemiology and Medical Biometry, ZIBMT; University of Ulm; Ulm Germany
4. German Center for Diabetes Research (DZD); Neu-Herberg Germany
5. Pediatric Diabetes Center; Debant Austria
6. Department of Pediatrics; Departments of Pediatrics; Garmisch-Partenkirchen Germany
7. Hospital Böblingen; Boeblingen Germany
8. Department of Pediatrics; University Hospital; Freiburg Germany