1. Department of Pediatrics, New York Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY
2. Department of Pediatrics, Division of Hematology Oncology, Pontificia Universidad Católica de Chile, Santiago, Chile
3. Department of Oncology, Hospital Sant Joan de Déu, Barcelona, Spain
4. The Pediatric Oncology, Hematology and Stem Cell Transplant Department, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
5. Division of Pediatric Hematology-Oncology, Riley Hospital for Children and Indiana University School of Medicine, Indianapolis, IN
6. Department of Pediatrics, Pediatría Hospital Dr. Sótero del Río, Puente Alto, Chile
7. Department of Pediatrics, Hospital Carlos van Buren, Valparaíso, Chile
8. Department of Pediatrics, Hospital San Juan de Dios, Santiago, Chile
9. Department of Pediatrics, San Borja Arriaran Clinic Hospital, Santiago, Chile
10. Department of Pediatrics, Clínica Bicentenario, Santiago, Chile
11. Department of Pediatrics, Hospital Clínico Regional Dr. Guillermo Grant Benavente de Concepción, Concepción, Chile
12. Department of Pediatrics, Clinica Davila, Recoleta, Chile
13. Department of Pediatrics, Clinica Santa Maria, Providencia, Chile
14. Department of Pediatrics, Dr. Exequiel González Cortés Hospital, San Miguel, Chile
15. Department of Pediatrics, Dr. Luis Calvo Mackenna Hospital, Santiago, Chile
16. Department of Hematology Oncology, Hospital for Sick Children, Toronto, Canada
17. Global Pediatric Medicine Department, St Jude Children's Research Hospital, Memphis, Tennessee
18. Division of Hematology, Oncology, Blood and Marrow Transplant, Department of Pediatrics, Nationwide Children's Hospital and The Ohio State University, Columbus, OH
19. Neurosurgery Unit, Hospital Nacional de Niños Carlos Sáenz Herrera, San José, Costa Rica
20. Department of Radiation Oncology, Instituto Nacional del Cáncer, Santiago, Chile
21. Department of Pediatrics, The Hematology Oncology Unit, Hospital de Niños Dr. Roberto del Río, Santiago, Chile