[1] MT SINAI SCH MED, DEPT OBSTET & GYNECOL & REPROD SCI, NEW YORK, NY 10061 USA
[2] MT SINAI SCH MED, DEPT ANAT, NEW YORK, NY 10061 USA
[3] MCGILL UNIV, DEPT OBSTET & GYNECOL, MONTREAL H3A 2T5, QUEBEC, CANADA
[4] MCGILL UNIV, CTR STUDY AGE & AGING, MONTREAL H3A 2T5, QUEBEC, CANADA
[5] MCGILL UNIV, CTR STUDY REPRODUCT, MONTREAL H3A 2T5, QUEBEC, CANADA