1. Children's Hospital Dortmund Dortmund Germany
2. Department of PediatricsUniversity of Witten/Herdecke Witten Germany
3. Institute of Epidemiology and Medical Biometry, Central Institute for Biomedical TechnologyUniversity of Ulm Ulm Germany
4. German Center for Diabetes Research (DZD) Munich‐Neuherberg Germany
5. Division of Neuropediatrics and Social Pediatrics, Department of PediatricsUniversity Hospital RWTH Aachen Aachen Germany
6. Children's HospitalUniversity of Kiel Kiel Germany
7. Medical University of Vienna Wien Austria
8. Children's HospitalOlgahospital Stuttgart Stuttgart Germany
9. Children's HospitalUniversity of Giessen Giessen Germany
10. Children's HospitalSana Klinikum Lichtenberg Berlin Berlin Germany
11. Children's HospitalKlinikum Bremen Mitte Bremen Germany