1 Infectious Diseases Service, Hospital Universitario "Dr. José E. González" and Medical School, Universidad Autónoma de Nuevo León, Madero y Gonzalitos S/N, Monterrey NL, 64460, Mexico. Electronic address: isai_med@hotmail.com.
2 Infectious Diseases Service, Hospital Universitario "Dr. José E. González" and Medical School, Universidad Autónoma de Nuevo León, Madero y Gonzalitos S/N, Monterrey NL, 64460, Mexico.
3 Department of Internal Medicine, Hospital Universitario "Dr. José E. González" and Medical School, Universidad Autónoma de Nuevo León, Madero y Gonzalitos S/N, Monterrey NL, 64460, Mexico.
4 Anatomic Pathology and Cytopathology Department, Hospital Universitario "Dr. José E. González" and Medical School, Universidad Autónoma de Nuevo León, Madero y Gonzalitos S/N, Monterrey NL, 64460, Mexico.