| Institution: | 1. Children's Cancer Institute, Porto Alegre, RS, Brazil;2. Hospital Pereira Rossell, Montevideo, Uruguay;3. Department of Pediatrics, Pediatric Oncology Institute (IOP/GRAACC/UNIFESP), Federal University of S, ?, o Paulo, S?o Paulo, SP, Brazil;4. Funda??o Pio XII – Hospital Infantojuvenil, Barretos, SP, Brazil;5. Hospital do Cancer AC Camargo, S?o Paulo, SP, Brazil;6. Hospital das Clínicas de S?o Paulo ‐ ITACI, S?o Paulo, SP, Brazil;7. Hospital da Crian?a Santo Antonio, Porto Alegre, RS, Brazil;8. Dana‐Farber Cancer Institute, Boston, Maryland;9. Hospital Universit, á, rio de Santa Maria, Santa Maria, RS, Brazil;10. Hospital Infantil Pequeno Príncipe, Curitiba, PR, Brazil;11. Santa Casa de Misericórdia de S?o Paulo, SP, Brazil;12. Instituto de Clínicas Pediátricas Bolívar Risso, Jundiaí, SP, Brazil;13. Hospital Universitário Oswaldo Cruz, Recife, PE, Brazil;14. Hospital Napole?o Laureano, Jo?o Pessoa, PB, Brazil;15. Instituto de Pediatria, UFRJ, Rio de Janeiro, RJ, Brazil;16. Hospital S?o Lucas ‐ PUC‐RS, Porto Alegre, RS, Brazil;17. Hospital de Clínicas de Porto Alegre, Department of Pediatrics, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil |
