1. Department of Pediatric Hemato‐OncologyHospital Escuela‐Universitario Tegucigalpa Honduras
2. Department of Pediatric OncologyManuel de Jésus Rivera Hospital Managua Nicaragua
3. National Pediatric Oncology UnitFrancisco Marroquín University Medical School Guatemala City Guatemala
4. Department of Hematology‐OncologyDr. Robert Reid Cabral Children's Hospital Santo Domingo Dominican Republic
5. Department of Onco‐HematologyHospital Benjamin Bloom San Salvador El Salvador
6. Hemato‐Oncology ServiceHospital Mario Catarino Rivas San Pedro Sula Honduras
7. Department of OncologyLeukemia/Lymphoma Divisionand Global Pediatric Medicine ProgramSt. Jude Children's Research Hospital Memphis Tennessee
8. Hospital de Pediatría (SAMIC) Prof. Dr. Juan P. Garrahan Buenos Aires Argentina