1. Hormone Laboratory, Department of Medical Biochemistry and Pharmacology , Haukeland University Hospital , Bergen , Norway
2. Department of Medical Biochemistry and Pharmacology , Haukeland University Hospital , Bergen , Norway
3. Hormone Laboratory, Department of Medical Biochemistry and Biochemical Endocrinology and Metabolism Research Group , Oslo University Hospital , Aker , Oslo , Norway
4. Institute of Clinical Medicine and University of Oslo , Oslo , Norway
5. Multidisciplinary Laboratory Medicine and Medical Biochemistry , Akershus University Hospital , Lørenskog , Norway
6. King’s BHF Centre of Research Excellence, School of Cardiovascular Medicine and Sciences , King’s College London , London , UK
7. Department of Cardiology, Division of Medicine , Akershus University Hospital , Lørenskog , Norway
8. Department of Heart Disease , Haukeland University Hospital , Bergen , Norway
9. Department of Clinical Science , University of Bergen , Bergen , Norway