1. Department of Psychology, University of Oslo, Oslo, Norway
2. Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA
3. Child Study Center, School of Medicine, Yale University, New Haven, CT, USA
4. Department of Psychology, Stockholm University, Stockholm, Sweden
5. Department of Psychology, Stony Brook University, Stony Brook, NY, USA
6. Tynset Child and Adolescent Mental Health Clinic, Innlandet Hospital Trust, Lillehammer, Norway
7. Department of Child and Adolescent Psychiatry, Division of Psychiatry, Haukeland University Hospital, Bergen, Norway
8. Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway