1. Section forTtrauma, Catastrophes and Forced Migration - Children and Youths,
Norwegian Centre for Violence and Traumatic Stress Studies, Oslo, Norway
2. Institute of Clinical Medicine,
University of Oslo, Oslo, Norway
3. Research and Communication Unit for Musculoskeletal Health (FORMI), Division of Clinical Neuroscience,
Oslo University Hospital, Oslo, Norway
4. Centre for Child and Adolescent Mental Health, Oslo, Norway