[1] SUNY Stony Brook, Renaissance Sch Med, Div Maternal Fetal Med, Dept Obstet & Gynecol, Stony Brook, NY USA
[2] Michigan State Univ, Dept Res Hurley, Coll Human Med, Med Ctr, Flint, MI USA
[3] Michigan State Univ, Div Reprod Endocrinol & Infertil, Dept Obstet & Gynecol, Hurley Med Ctr,Coll Human Med, Flint, MI USA