1. HUNT Research Centre, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, NTNU, Levanger, Norway
2. Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
3. Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Public Health, Faculty of Health Sciences, University of Stavanger, Stavanger, Norway
5. Faculty of Nursing and Health Sciences, Nord University, Levanger, Norway