1 Hematology Service, Internal Medicine Division, Dr. Jose Eleuterio Gonzalez University Hospital and School of Medicine, Universidad Autónoma de Nuevo Leon, Monterrey, Mexico.
2 Hematology Service, Internal Medicine Division, Dr. Jose Eleuterio Gonzalez University Hospital and School of Medicine, Universidad Autónoma de Nuevo Leon, Monterrey, Mexico. [email protected].