[1] Magee Womens Hosp, Div Gynecol Specialties, Dept Obstet Gynecol & Reprod Sci, Pittsburgh, PA 15213 USA
[2] Univ Pittsburgh, Dept Family Med, Pittsburgh, PA 15260 USA
[3] Univ Pittsburgh, Dept Behav & Community Hlth Sci, Grad Sch Publ Hlth, Pittsburgh, PA 15260 USA