1. Women and Children’s Division, Centre for Rare Disorders, Oslo University Hospital, Oslo, Norway
2. Department of Interdisciplinary Health Sciences, Institute of Health and Society, University of Oslo, Oslo, Norway
3. Department of Oncology, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway
4. Educational Psychology Service, Tonsberg Municipality, Tonsberg, Norway
5. Department of Child and Adolescent Psychiatry, Oslo University Hospital and Institute of Clinical Medicine, Oslo, Norway