About the Authors

Ronald Gavidia

Affiliation Pediatric Oncology, Benjamin Bloom National Children’s Hospital, San Salvador, El Salvador

Soad L. Fuentes

Affiliation Pediatric Oncology, Benjamin Bloom National Children’s Hospital, San Salvador, El Salvador

Roberto Vasquez

Affiliation Pediatric Oncology, Benjamin Bloom National Children’s Hospital, San Salvador, El Salvador

Miguel Bonilla

Affiliation Pediatric Oncology, Benjamin Bloom National Children’s Hospital, San Salvador, El Salvador

Marie-Chantal Ethier

Affiliation Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Canada

Caroline Diorio

Affiliation Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Canada

Miguela Caniza

Affiliations Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, United States of America, International Outreach Program, St. Jude Children's Research Hospital, Memphis, Tennessee, United States of America

Scott C. Howard

Affiliations Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee, United States of America, International Outreach Program, St. Jude Children's Research Hospital, Memphis, Tennessee, United States of America

Lillian Sung

lillian.sung@sickkids.ca

Affiliations Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Canada, Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS RG SLF RV MB MCE CD MC SCH. Performed the experiments: LS RG SLF RV MB MCE CD MC SCH. Analyzed the data: LS. Contributed reagents/materials/analysis tools: LS RG SLF RV MB MCE CD MC SCH. Wrote the paper: LS RG SLF RV MB MCE CD MC SCH.