1. Division of Mental Health; Norwegian Institute of Public Health; Bergen Norway
2. Uni Research Helse; Bergen Norway
3. Department of Psychiatry; Helse Fonna HF; Haugesund Norway
4. Department of Psychology; University of California; Berkeley CA USA
5. Department of Psychosocial Science; University of Bergen; Bergen Norway
6. Norwegian Competence Center for Sleep Disorders; Haukeland University Hospital; Bergen Norway
7. The Regional Centre for Child and Youth Mental Health and Child Welfare; Uni Research Helse; Bergen Norway