1 Department of Clinical Research and Medical Oncology, Instituto Nacional de Cancerología, Mexico City, Mexico.
2 Consejo Nacional de Ciencia y Tecnología (CONACyT) - Department of Clinical Research, Instituto Nacional de Cancerología, Mexico City, Mexico.
3 Department of Clinical Research, Instituto Nacional de Cancerología, Mexico City, and Revista de Investigación Clínica - Clinical and Translational Investigation, Mexico City, Mexico.