[1] UNIV AUTONOMA METROPOLITANA IZTAPALAPA, CBS, DEPT BIOL REPROD, MEXICO CITY, MEXICO
[2] UNIV AUTONOMA METROPOLITANA IZTAPALAPA, CBS, DEPT BIOTECNOL, MEXICO CITY, MEXICO
[3] NATL AUTONOMOUS UNIV MEXICO, FAC QUIM, SEC QUIM EXPTL & APLICADA, MEXICO CITY 04510, DF, MEXICO