1. Department of Environmental Health, Biomedical Research Center, School of Medicine; University of Coahuila; Torreon Coahuila Mexico
2. Department of Gynecologic Oncology; Mexican Institute of Social Security; Torreon Coahuila México
3. Department of Medical Education, School of Medicine; University of Coahuila; Torreon Coahuila México
4. Department of Pathology; University General Hospital; Torreon Coahuila Mexico
5. Southwest Environmental Health Science Center; University of Arizona; Tucson AZ USA
6. Department of Cellular and Molecular Medicine; University of Arizona; Tucson AZ USA
7. Department of Pharmacology and Toxicology; University of Arizona; Tucson AZ USA