Department of Health Sciences in Gjøvik, Faculty of Medicine and Health Sciences, Care and Nursing, Norwegian University of Science and Technology (NTNU), Gjøvik, Norway
Institution of Health Sciences, Faculty of Health, Nature and Technological Sciences, Karlstad University, Karlstad, Sweden
Copyright © 2016 Øyfrid Larsen Moen, Marie Louise Hall-Lord et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.