1. Department of Molecular and Clinical Medicine University of Gothenburg and Sahlgrenska University Hospital Gothenburg Sweden
2. Institute of Cardiovascular and Medical Sciences University of Glasgow Glasgow UK
3. Research Programs Unit, Diabetes and Obesity University of Helsinki Helsinki Finland
4. Department of Internal Medicine Helsinki University Hospital Helsinki Finland
5. Endocrinology, Abdominal Center Helsinki University Hospital Helsinki Finland
6. Proteomics Facility University of Gothenburg Gothenburg Sweden
7. Merck Research Laboratories Merck & Co. Inc. Kenilworth NJ USA