1. Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim 7491, Norway
2. K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim 7491, Norway
3. Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim 7491, Norway
4. Centre for Obesity Research, Clinic of Surgery, St. Olavs Hospital, Trondheim University Hospital, Trondheim 7030, Norway
5. The Clinical Research Ward, Department for Research and Development, St. Olavs Hospital, Trondheim University Hospital, Trondheim 7030, Norway
6. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim 7491, Norway
7. Bruker BioSpin AIC Division, Ettlingen, Rheinstetten 76287, Germany
8. Department of Radiology and Nuclear Medicine, St. Olavs Hospital, Trondheim University Hospital, Trondheim 7030, Norway
9. Clinic of Surgery, St. Olavs Hospital, Trondheim University Hospital, Trondheim 7030, Norway