1. Unidad de Investigación en Enfermedades Oncológicas, Hospital Infantil de México, Federico Gómez, Mexico City, Mexico;
2. Facultad de Medicina, Universidad Nacional Autonoma de México, Mexico City, Mexico;
3. Departamento de Investigación en Salud Comunitaria, Hospital Infantil de México, Federico Gómez, Mexico City, Mexico;
4. Department of Medicine, Hematology-Oncology Division, VA West Los Angeles Medical Center BBRI, UCLA Medical Center, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA;
5. Molecular Signal Pathway in Cancer Laboratory, UIMEO, Oncology Hospital, Siglo XXI National Medical Center, IMSS, México City, México;
6. Laboratorio Central, Hospital Infantil de México, Federico Gómez, Mexico City, Mexico;
7. Servicio de Hemato-Oncología, Hospital Infantil de Moctezuma, Mexico City, Mexico;
8. Departamento de Hemato-Oncologia, Hospital Infantil de Mexico, Federico Gomez, Mexico City, Mexico