1. Department of Pediatric Hematology and Oncology, IRCCS Bambino Gesù Children’s Hospital, Catholic University of the Sacred Heart, Rome, Italy
2. Moffitt Cancer Center, Tampa, Florida, USA
3. Amgen Inc, Thousand Oaks, California, USA
4. Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, California, USA
5. Children’s Hospital Colorado and University of Colorado Cancer Center, Colorado, USA
6. University of Frankfurt, Frankfurt, Germany
7. Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, Venice, Italy
8. Department of Medicine, Memorial Sloan Kettering Cancer Center, New York City, New York, USA
9. Hematology Adolescent and Young Adult Unit, Saint-Louis Hospital, AP-HP; URP-3518, Institut de Recherche Saint-Louis, Université de Paris, Paris, France
10. Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA