[1] Rush Univ, Med Ctr, Chicago, IL 60612 USA
[2] OB GYN Assoc Mid Florida, Leesburg, FL USA
[3] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[4] Womens Hlth Res Ctr, Laurel, MD USA
[5] Bethesda Hlth Res Ctr, Bethesda, MD USA
[6] Inst Saude & Bern Estar Mulher, Sao Paulo, Brazil
[7] Pfizer Global R&D, New London, CT USA