1. Institute of Epidemiology and Medical Biometry, Central Institute for Biomedical Technology, University of Ulm, Ulm, Germany.
2. Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center at Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.
3. Clinic for Children and Adolescents, Dr. Horst-Schmidt-Kliniken GmbH, Wiesbaden, Germany.
4. Department of Pediatric and Adolescent Medicine, Medical University Vienna, Vienna, Austria.
5. Pediatric Endocrinology and Diabetology, University Hospital for Children and Adolescents, Campus Virchow, Charité–University Hospital Berlin, Berlin, Germany.
6. Hospital for Children and Adolescents, Sana Hospital Berlin Lindenhof, Berlin, Germany.
7. Department of Child and Adolescent Psychiatry and Neurology, Community Hospital, Herdecke, Germany.
8. Children's Hospital, Hospitals of the City of Cologne, Cologne, Germany.
9. Department of Child and Adolescent Psychiatry and Psychotherapy, University of Ulm, Ulm, Germany.
10. Clinic for Child and Adolescent Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany.
11. Clinic for Children and Adolescents, St. Vincenz Hospital, Christophorus Clinics, Coesfeld, Germany.