1Department of Biological Sciences, Mississippi State University, Mississippi State, MS-39762, USA
2Colombian Center of Fertility and Sterility, CECOLFES, Bogota, Colombia
3Reproductive Biomedicine, Colombian Center of Fertility and Sterility, CECOLFES, Bogota, Colombia
*Corresponding Author:
Clara Esteban-Pérez, Colombian Center of Fertility and Sterility, CECOLFES, Bogota, Colombia, Tel: 571-7420505, Fax: 571-7422235 Email: