Pathology Department, Hospital Central Sur de Alta Especialidad, Tlalpan, Mexico City, Mexico
Julio C. López-Valdés, MD
Research Department, Universidad Autónoma de Tamaulipas, Facultad de Medicina de Tampico “Dr. Alberto Romo Caballero”, Tampico, Tamaulipas, Mexico; Neurological Surgery Department, Hospital Central Sur de Alta Especialidad, Tlalpan, Mexico City, Mexico; Corresponding address: Neurological Surgery Department, Hospital Central Sur de Alta Especialidad, Tlalpan, Mexico City, Mexico.