1. Department of Pediatric Endocrinology and Diabetology; Ludwig-Maximilian's University Medicine Munich; Munich Germany
2. Department of Pediatrics; Saarland University Medical Center; Homburg/Saar Germany
3. Department of Pediatric Endocrinology and Diabetology; Charité University Medicine Berlin; Berlin Germany
4. Department of Pediatrics; University Hospital Innsbruck; Innsbruck Austria
5. Department of Pediatrics; Hannover Medical University; Hannover Germany
6. Division of Pediatric Endocrinology & Diabetology, Center of Child and Adolescent Medicine; Justus Liebig University Giessen; Gießen Germany
7. Department of Pediatrics; Elisabeth Krankenhaus Essen; Essen Germany
8. Medical University of Cologne; Köln Germany
9. Department of Pediatric Cardiology; Ludwig-Maximilian's University Medicine Munich; Munich Germany
10. Institute of Epidemiology and Medical Biometry; University of Ulm; Ulm Germany
11. German Center for Diabetes Research (DZD); Neuherberg Germany