1 Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo and Akershus University, College of Applied Sciences, 0310 Oslo, Norway. Electronic address: sigrun.henjum@hioa.no.
2 Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo and Akershus University, College of Applied Sciences, 0310 Oslo, Norway.
3 Division for Medical Services, Innlandet Hospital Trust, Lillehammer, Norway; Center for International Health, University of Bergen, Bergen, Norway.