1. Department of Public Health and Clinical Medicine, Nutritional Research, Umeå University , Umeå, Sweden
2. Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
3. Department of Community Medicine, Centre for Sami Health Research, University of Tromsø , Tromsø, Norway
4. Department of Medicine, Skellefteå Hospital , Skellefteå, Sweden
5. Department of Public Health and Clinical Medicine, Umeå University , Umeå, Sweden
6. Department of Odontology, Umeå University , Umeå, Sweden
7. Department of Oncology and Radiation Sciences, Oncological Center, Umeå University , Umeå, Sweden
8. Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University , Umeå, Sweden
9. Department of Medical Biosciences, Pathology, Umeå University , Umeå, Sweden