1. Nidaros Community Mental Health Center, Division of Psychiatry, St. Olavs University Hospital, Trondheim, Norway;
2. Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway;
3. Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway;
4. Department of Psychiatry, St Olav University Hospital, Trondheim, Norway