1. Department of Paediatric Oncology and Haematology Division for Paediatric and Adolescent Medicine Oslo University Hospital Oslo Norway
2. Department of Behavioural Medicine Institute of Basic Medical Sciences Faculty of Medicine University of Oslo Oslo Norway
3. Department of Pediatric Oncology Medicine and Haematology Division for Pediatric and Adolescent Medicine St.Olav’s Hospital University Hospital of Trondheim Norway
4. VAR Healthcare Cappelen Damm Oslo Norway
5. Institute of Clinical Medicine Faculty of Medicine University of Oslo Norway
6. Lovisenberg Diaconal University College Oslo Norway
7. Regional Centre for Child and Adolescent Mental Health Eastern and Southern Norway (RBUP) Oslo Norway