1. Department of Clinical Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
2. Division for Health Services, Norwegian Institute of Public Health, Oslo, Norway
3. Science and Health Library, UiT The Arctic University of Norway, Tromsø, Norway
4. Department of Infectious Diseases, Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway
5. Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway