1. Pediatrics
2. The Hagedorn Research Institute, Gentofte DK2820, Denmark
3. Neurology, and
4. Hospital St. Clara, Department of Pediatrics, Rotterdam 3078 HT, The Netherlands
5. Department of Pediatrics, Leiden University Medical Center, Leiden 2333 ZA, The Netherlands
6. Epidemilogy and Biostatistic, Erasmus University, 3015 GE Rotterdam, The Netherlands
7. Diabetes Immunology, Novo Nordisk A/S, Bagsvaerd DK2880, Rotterdam 3078 HT, The Netherlands
8. IJsselland Hospital, Department of Pediatrics Capelle a.d. IJssel 2906 ZC, The Netherlands
9. Departments of