1. Multidisciplinary Academic Division of Comalcalco; Laboratory of Molecular Biology; Juarez Autonomous University of Tabasco; Rancheria sur cuarta seccion; Comalcalco Tabasco Mexico
2. Division of Basic Research; National Cancer Institute of Mexico; Mexico
3. Obstetrics and Gynecology Clinic; Amado Nervo s/n; Villa Macultepec; Tabasco Mexico