1. Childhood Cancer Research Unit; Department of Women's and Children's Health; Karolinska Institutet; Karolinska University Hospital Solna; Stockholm Sweden
2. Clinical Genetics Unit; Department of Molecular Medicine and Surgery; Center for Molecular Medicine; Karolinska Institutet; Karolinska University Hospital Solna; Stockholm Sweden
3. Department of Medicine; Center for Infectious Medicine; Karolinska Institutet; Karolinska University Hospital Huddinge; Stockholm Sweden
4. Pediatric Allergy and Immunology Unit; Children's Hospital; Ain Shams University; Cairo Egypt
5. Bone Marrow and Stem Cell Transplantation Program; King Hussein Cancer Center; Amman Jordan
6. Department of Women's and Children's Health; Queen Silviás Childreńs Hospital; University of Gothenburg; Gothenburg Sweden
7. Shaukat Khanum Memorial Cancer Hospital & Research Center; Lahore Pakistan
8. Department of Oncology and Pediatrics; Aga Khan University; Karachi Pakistan
9. Institute for Research and Innovation on Health and Center for Predictive and Preventive Genetics of the IBMC-Institute for Cell and Molecular Biology; University of Porto; Portugal
10. Hematology Service; University Clinic of Navarra; Pamplona Spain
11. Division of Pediatric Hematology; Hacettepe University; Ankara Turkey