1. Division of Endocrinology and Diabetes, Medical Faculty, RWTH Aachen University, Aachen, Germany
2. Institute of Epidemiology and Medical Biometry, ZIBMT, University of Ulm, Ulm, Germany
3. German Center for Diabetes Research (DZD), Neuherberg
4. Children’s Hospital Wilhelmstift, Hamburg, Germany
5. Diabetes Center for Children and Adolescents, Children’s Hospital Auf Der Bult, Hannover, Germany
6. Department of Pediatrics, Medical University of Innsbruck, Innsbruck, Austria
7. Department of Pediatrics, Centre Hospitalier de Luxembourg, Luxembourg City, Luxembourg
8. Division of Paediatric Endocrinology and Diabetology, Center of Child and Adolescent Medicine, Justus Liebig University Giessen, Giessen, Germany
9. Hospital for Children and Adolescents, University of Leipzig, Leipzig, Germany
10. Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center at the University of Düsseldorf, Düsseldorf, Germany