1. Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway.
2. Department of Physical Medicine and Rehabilitation, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
3. Department of Mental Health, Norwegian University of Science and Technology, Trondheim, Norway.
4. Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway.
5. Department of Psychology, University of California, Los Angeles, Los Angeles, California, USA.
6. Department of Psychiatry, University of California, Los Angeles, Los Angeles, California, USA.
7. Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway.
8. Department of Neurosurgery, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
9. Department of Radiology and Nuclear Medicine, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.