Affiliation: | aDivision of Hematology-Oncology and Stem Cell Transplantation, Hospital for Children and Adolescents, University of Helsinki, Helsinki, Finland;bDepartment of Women’s and Children’s Health, Karolinska Institute and University Hospital, Stockholm, Sweden;cAdolescent Psychiatry, Hospital for Children and Adolescents, University of Helsinki, Helsinki, Finland;dNational Supervisory Authority for Welfare and Health, Helsinki, Finland;eCentre of Reproductive Medicine and Andrology, University of Münster, Münster, Germany;fDivision of Pediatric Endocrinology and Metabolic Bone Diseases, Hospital for Children and Adolescents, University of Helsinki, Helsinki, Finland |