1. Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway
2. Nidaros Community Mental Health Centre, Division of Psychiatry, St. Olavs University Hospital, Trondheim, Norway.
3. Department of Sociology and Political Science, Sport Science, Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway