1. Division of Pediatric Neurology; Department of Pediatrics and Adolescent Medicine; University Medicine Göttingen; Göttingen Germany
2. Division of Epidemiology; Institute of Social Pediatrics and Adolescent Medicine; Ludwig-Maximilians University Munich; Munich Germany
3. German Diabetes Center; Institute for Biometrics and Epidemiology; Leibniz Institute for Diabetes Research; Heinrich Heine University Düsseldorf; Düsseldorf Germany