1. Institute of Epidemiology and Medical Biometry, ZIBMT; University of Ulm; Ulm Germany
2. German Center for Diabetes Research (DZD); Munich Germany
3. PMV Research Group at the Department of Child and Adolescent Psychiatry and Psychotherapy; University of Cologne; Cologne Germany
4. Faculty of Medicine, Institute of Health Services Research and Health Economics; Heinrich-Heine-University Düsseldorf; Düsseldorf Germany
5. Institute of Health Services Research and Health Economics, German Diabetes Center; Leibniz Center for Diabetes Research at University of Düsseldorf; Düsseldorf Germany
6. German Diabetes Center, Institute for Biometrics and Epidemiology; Leibniz Center for Diabetes Research at University of Düsseldorf; Düsseldorf Germany
7. Division of Endocrinology and Diabetes, Medical Faculty; RWTH Aachen University; Aachen Germany
8. Department of Pediatrics; Bethlehem Hospital; Stolberg Germany