1. Department of Psychology University of Oslo Oslo Norway
2. Department of Psychology Virginia Commonwealth University Richmond USA
3. Child Study Center, School of Medicine Yale University New Haven USA
4. Division of Psychiatry Stavanger University Hospital Stavanger Norway
5. Department of Psychology Stony Brook University Stony Brook USA
6. Department of Child and Adolescent Psychiatry, Division of Psychiatry Haukeland University Hospital Bergen Norway
7. Department of Clinical Medicine, Faculty of Medicine University of Bergen Bergen Norway