1. Department of Internal Medicine; Diakonhjemmet Hospital; Oslo Norway
2. Institute for Experimental Medical Research; Oslo University Hospital; University of Oslo; Oslo Norway
3. Norwegian Institute of Public Health; Oslo Norway
4. Barbara Davis Center; University of Colorado; Aurora CO USA
5. Bevital AS; Bergen Norway
6. Department of Clinical Science; University of Bergen; Bergen Norway
7. Laboratory of Clinical Biochemistry; Haukeland University Hospital; Bergen Norway
8. Department of Immunology; Rikshospitalet; Oslo University Hospital; Oslo Norway
9. Department of Medical Biochemistry; Oslo University Hospital; Oslo Norway
10. Institute of Clinical Medicine; University of Oslo; Oslo Norway
11. Diabetes and Metabolism; School of Clinical Sciences; Southmead Hospital; University of Bristol; Bristol UK
12. Division of Paediatric and Adolescent Medicine; Oslo University Hospital; Oslo Norway
13. KG Jebsen Center for Diabetes Research; Department of Clinical Science; University of Bergen; Bergen Norway
14. Department of Pediatrics and Adolescent Medicine; Haukeland University Hospital; Bergen Norway
15. Pediatric Department; Østfold Hospital Trust; Grålum Norway