| Affiliation: | 1. Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden;2. Children and Adolescents Department, Helsinki University Hospital, Helsinki, Finland;3. PEDEGO Research Unit, Medical Research Center Oulu and Department of Children and Adolescents, Oulu University Hospital and University of Oulu, Oulu, Finland;4. Department of Pediatrics, St. Olavs University Hospital, and the Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway;5. Department of Pediatrics and Adolescent Medicine, University Hospital Rigshospitalet, Copenhagen, Denmark;6. Children’s Hospital, Landspitali University Hospital, Reykjavik, Iceland;7. Children’s Hospital, Affiliate of Vilnius University Hospital Santaros Klinikos and Vilnius University, Vilnius, Lithuania;8. Department of Haematology and Oncology, Tallin Children’s Hospital, Tallin, Estonia;9. Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden;10. Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden Department of Pediatric Oncology, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, Stockholm, Sweden |
