1. Department of Behavioural Sciences in Medicine Institute of Basic Medical Sciences Faculty of Medicine University of Oslo Oslo Norway
2. Department of Paediatric Medicine Oslo University Hospital Rikshospitalet Norway
3. Regional Centre for Child and Adolescent Mental Health Eastern and Southern Norway (RBUP) Oslo Norway
4. Institute of Clinical Medicine Faculty of Medicine, University of Oslo Oslo Norway
5. Department of Oncology National Advisory Unit on Late Effects after Cancer Treatment Oslo University Hospital Oslo Norway
6. Department for Clinical Service Division of Cancer Medicine Oslo University Hospital Oslo Norway
7. Department of Pediatrics and Adolescents Medicine University Hospital Rigshospitalet Copenhagen Denmark
8. Faculty of Health Sciences University of Copenhagen and The Pediatric Clinic Juliane Marie Centre Rigshospitalet Copenhagen Denmark