1. School of Education; Health and Social Studies; Dalarna University; Falun Sweden
2. CKF; Centre for Clinical Research Dalarna; County Council of Dalarna; Falun Sweden
3. The Department of Health Care Sciences; Ersta Sköndal University College; Stockholm Sweden
4. Paediatric Oncology and Haematology; Department of Women's and Children's Health; Karolinska Institutet; Karolinska University Hospital; Stockholm Sweden
5. Childhood Cancer Research Unit; Astrid Lindgren Children's Hospital; Stockholm Sweden
6. Research Unit Östersund Hospital; Department of Radiation Sciences; Umeå University; Umeå Sweden