[1] CReATe Fertil Ctr, 790 Bay St, Toronto, ON, Canada
[2] Sheba Med Ctr, Pinchas Borenstein Talpiot Med Leadership Program, Ramat Gan, Israel
[3] Toronto West Fertil Ctr, Etobicoke, ON, Canada
[4] St Michaels Hosp, Risk Factor Modificat Ctr, Toronto, ON, Canada
[5] Univ Toronto, Dept Obstet & Gynecol, Toronto, ON M5S 1A1, Canada
[6] Univ Toronto, Dept Physiol, Toronto, ON M5S 1A1, Canada
[7] Womens Coll Hosp, Dept Gynecol, Toronto, ON, Canada