1. Diabetes Research Center, Aker and Ulleval University Hospitals, Oslo, Norway
2. Department of Pediatrics, Ulleval University Hospital, Oslo, Norway
3. Department of Clinical Neurophysiology, Ulleval University Hospital, Oslo, Norway
4. Department of Endocrinology, Aker University Hospital, Oslo, Norway
5. Center for Clinical Research, Ulleval University Hospital, Oslo, Norway
6. Department of Cardiac Radiology, Ulleval University Hospital, Oslo, Norway