1. Division of Mental Health and Substance Abuse, unit ReStart, University Hospital of Northern Norway, NO. Postboks 6124, 9291, Tromsø, Norway
2. Department of Psychology, The Arctic University of Norway, NO. N-9037, Tromsø, Norway
3. Division of Paediatric and Adolescent Medicine, NevSom- Norwegian Centre of Expertise for Neurodevelopmental Disorders and Hypersomnias, Oslo University Hospital, NO. Postboks 4956 Nydalen, Oslo 0424, Norway
4. Department of Development, Research and Education. University Hospital of Northern Norway, NO. Postboks 6124, Tromsø 9291, Norway