Elisa Dorantes-Acosta1
, Farina Arreguin-Gonzalez1
, Carlos A Rodriguez-Osorio2
, Stanislaw Sadowinski3
, Rosana Pelayo4
and Aurora Medina-Sanson1 
1
Department of Pediatric Hematology and Oncology, Hospital Infantil de Mexico Federico Gomez, Mexico City, Mexico
2
Department of Critical Care Medicine, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico City, Mexico
3
Department of Pathology, Hospital Infantil de Mexico Federico Gomez, Mexico City, Mexico
4
Oncology Research Unit, Oncology Hospital, National Medical Center, IMSS, Mexico City, Mexico