1. Division of Basic Science & Translational Research Department of Obstetrics & Gynecology The University of Texas Medical Branch at Galveston Galveston Texas USA
2. Department of Physiology College of Medicine University of the Philippines Manila Manila Philippines
3. Department of Biology College of Science De La Salle University Manila Philippines
4. College of Medicine University of the Philippines Manila Manila Philippines
5. Department of Pathology Botucatu Medical School Universidade Estadual Paulista UNESP Botucatu São Paulo Brazil