1. Diabetes Research Center/Department of Pediatrics, Ullevaal University Hospital, Oslo, Norway
2. Department of Cardio-Vascular Radiology, Ullevaal University Hospital, Oslo, Norway
3. Center for Clinical Research, Ullevaal University Hospital, Oslo, Norway
4. Department of Cardiology, Ullevaal University Hospital, Oslo, Norway
5. Department of Endocrinology/Diabetes Research Center, Aker University Hospital, Oslo, Norway