1. Department of Psychosocial Science, University of Bergen, Bergen, Norway
2. Division of Mental Health, Norwegian Institute of Public Health, Bergen, Norway
3. Department of Health Promotion and Development, University of Bergen, Bergen, Norway
4. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
5. Norwegian Competence Center for Sleep Disorders, Haukeland University Hospital, Bergen, Norway
6. The Regional Centre for Child and Youth Mental Health and Child Welfare, Uni Research Health, Bergen, Norway
7. Department of Psychiatry, Helse Fonna HF, Haugesund, Norway
8. Stress Research Institute, Stockholm University, Stockholm, Sweden
9. Department of Psychology, Swansea University, Swansea, UK