1. German Diabetes Center, Institute for Biometrics and Epidemiology Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf Germany
2. German Center for Diabetes Research (DZD) München Germany
3. Center of Child and Adolescent Medicine Justus Liebig University Giessen Germany
4. Institute of Epidemiology and Medical Biometry, Central Institute for Biomedical Technology (ZIBMT) Ulm University Ulm Germany
5. Hospital for Children and Adolescents “Am Nicolausholz” Bad Kösen Bad Kösen Germany
6. Department of Pediatric Endocrinology AKK Altonaer Kinderkrankenhaus Hamburg Germany
7. Children's Hospital AUF DER BULT, Hannover Medical School Hannover Germany
8. Department of Pediatrics and Adolescent Medicine, Pediatric Endocrinology, Diabetology and Lipidology, Faculty of Medicine University of Freiburg Freiburg Germany
9. Pediatric Endocrinology and Diabetology, Dr. von Haunersches Kinderspital Ludwig‐Maximilians Medical University Munich Munich Germany