1. Department of Medical Biochemistry; Oslo University Hospital; Oslo Norway
2. Lovisenberg Diakonale Hospital; Oslo Norway
3. Institute of Basic Medical Sciences; University of Oslo; Oslo Norway
4. Department of Biomedical Engineering; Reykjavík University; Reykjavik Iceland
5. Department of Internal Medicine; Erasmus University Medical Center; Rotterdam the Netherlands
6. Department of Medical Biochemistry; University of Oslo; Oslo Norway
7. Institute of Cellular Medicine; Newcastle University; Newcastle UK
8. Department of Medicine; Massachusetts General Hospital; Boston MA USA
9. Department of Epidemiology; Erasmus University Medical Center; Rotterdam the Netherlands
10. Department of Medical Genetics; Oslo University Hospital; Oslo Norway
11. Department of Medical Genetics; University of Oslo; Oslo Norway