1. Department of Health Promotion Norwegian Institute of Public Health Bergen Norway
2. Department of Research and Innovation Helse Fonna HF Haugesund Norway
3. Department of Mental Health Norwegian University of Science and Technology Trondheim Norway
4. Department of Psychosocial Science Faculty of Psychology University of Bergen Bergen Norway
5. Norwegian Competence Center for Sleep Disorders Haukeland University Hospital Bergen Norway
6. Department of Psychology Faculty of Health Sciences UiT the Arctic University of Norway Tromsø Norway
7. Section for Clinical Neurophysiology Department of Neurology Oslo University Hospital Oslo Norway
8. Department of Community Medicine Faculty of Health Sciences UiT The Arctic University of Norway Tromsø Norway