1. Department of Pediatrics Saarland University Medical Center Homburg Saar Germany
2. Institute for Epidemiology and Medical Biometry, Zentralinstitut für Biomedizinische Technik (ZIBMT) Ulm University Ulm Germany
3. German Center for Diabetes Research (DZD) Munich‐Neuherberg Germany
4. Center of Child and Adolescent Medicine Justus Liebig University Giessen Germany
5. Division of Endocrinology and Diabetes, Medical Faculty RWTH Aachen University Aachen Germany
6. German Center for Pediatric and Adolescent Rheumatology Garmisch‐Partenkirchen Germany
7. Department of Diabetes, Endocrinology, Clinical Nutrition and Metabolism, Inselspital, Bern University Hospital University of Bern Bern Switzerland
8. Department of Pediatric Endocrinology and Diabetes Children's Hospital Esslingen Germany
9. Department of Pediatrics Garmisch‐Partenkirchen Medical Center Garmisch‐Partenkirchen Germany