| Affiliation: | 1. Pediatric Oncology/Hematology, University Children's Hospital Basel, Basel, Switzerland;2. Center for Psychiatric Rehabilitation, University Hospital for Mental Health, Bern, Switzerland University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland;3. Epidemiology, Biostatistics, and Prevention Institute, University of Zurich, Zurich, Switzerland;4. Molecular Genetics Section, Department of Pediatrics, University of Groningen, Groningen, the Netherlands;5. Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway |
