1. Department of Pediatric Oncology Hospital Manuel de Jesus Rivera La Mascota Managua Nicaragua
2. National Pediatric Oncology Unit Guatemala City Guatemala
3. Division of Hematology and Oncology Hospital Nacional de Ninos Benjamin Bloom San Salvador El Salvador
4. Pediatric Hematology and Oncology Unit Hospital Escuela Tegucigalpa Honduras
5. Hemato‐Oncology Service Hospital Mario Catarino Rivas San Pedro Sula Honduras
6. Hospital Del Nino Doctor Jose Renan Esquivel Panama City Panama
7. Hospital Nacional de Ninos y Escuela de Medicina Universidad de Costa Rica San Jose Costa Rica
8. College of Nursing University of Tennessee Health Science Center Memphis Tennessee USA
9. Department of Global Pediatric Medicine St Jude Children's Research Hospital Memphis Tennessee USA
10. Bicocca Center of Bioinformatics, Biostatistics and Bioimaging School of Medicine and Surgery, University of Milano‐Bicocca Milan Italy
11. Pediatric Hemato‐Oncology, Fondazione Monza e Brianza per il Bambino e la sua Mamma University Milano Bicocca Ospedale San Gerardo Monza Italy
12. Pediatric Hematology‐Oncology Unit Division of Pediatrics Department Woman–Mother–Child University Hospital of Lausanne and University of Lausanne Lausanne Switzerland