Affiliation: | 1. Head and Neck Department, Surgery Division, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico;2. Clinical Research Division, Surgery Division, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico;3. Pathology Department, Surgery Division, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico;4. Research Division, Instituto Nacional de Cardiología (INCan), Ignacio Chávez, Mexico City, Mexico;5. Surgery Division, Instituto Nacional de Cancerología (INCan), Mexico City, Mexico |