1. Institute of Epidemiology and Medical Biometry; ZIBMT; University of Ulm; Ulm Germany
2. German Center for Diabetes Research (DZD); München-Neuherberg Germany
3. Institute for Biometrics and Epidemiology; German Diabetes Centre; Leibniz Centre at Heinrich-Heine University Düsseldorf; Düsseldorf Germany
4. Department of Pediatrics; University Hospital Jena; Jena Germany
5. Department of Pediatrics; University Hospital of Salzburg; Paracelsus Medical University; Salzburg Austria
6. Department of Woman and Child Health; Center for Pediatric Research; University Hospital for Children and Adolescents; University of Leipzig; Leipzig Germany
7. Division of Endocrinology and Diabetes; Department of Medicine I; Friedrich-Alexander-University; Erlangen-Nuremberg Germany