1. Department of Health Promotion, Norwegian Institute of Public Health, Bergen, Norway
2. Department of Research & Innovation, Helse Fonna HF, Haugesund, Norway
3. Department of Mental Health, Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Psychology, UiT the Arctic University of Norway, Tromsø, Norway
5. Department of Psychosocial Science, Faculty of Psychology, University of Bergen, Bergen, Norway
6. Norwegian Competence Center for Sleep Disorders, Haukeland University Hospital, Bergen, Norway
7. Optentia, Vaal Triangle Campus of the North-West University, South-Africa
8. Voss District Psychiatric Hospital, NKS Bjørkeli, Voss, Norway
9. Department of Research and Development, St Olavs University Hospital, Trondheim, Norway
10. Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway