1. Institute for Social Medicine and Epidemiology, University of
Lübeck, Lübeck, Germany
2. Hannover Medical School, Medical Psychology, Hannover,
Germany
3. Division of Pediatric Endocrinology and Diabetology, Campus
Lübeck, University Medical Centre Schleswig-Holstein, Lübeck,
Germany
4. General Hospital Itzehoe, Pediatric Department, Itzehoe,
Germany
5. Division of Pediatric Endocrinology and Diabetology, Campus Kiel,
University Medical Centre Schleswig-Holstein, Kiel, Germany