[1] Northwestern Univ, Feinberg Sch Med, Dept Obstet & Gynecol, 303 E Super St,Lurie 7-117, Chicago, IL 60611 USA
[2] Ann & Robert H Lurie Childrens Hosp Chicago, Stanley Manne Childrens Res Inst, Chicago, IL 60611 USA
[3] Northwestern Univ, Dept Pediat, Feinberg Sch Med, Chicago, IL 60611 USA
[4] Manipal Acad Higher Educ, Kasturba Med Coll Manipal, Dept Clin Embryol, Manipal, India
[5] Sydney Childrens Hosp, Nelune Comprehens Canc Ctr, Kids Canc Ctr, Sydney, NSW, Australia
[6] Univ New South Wales, Sch Clin Med, Sydney, NSW, Australia
[7] Univ Colorado, Dept Obstet & Gynecol, Sch Med, Aurora, CO USA
[8] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Hematooncol Dept, Mexico City, DF, Mexico
[9] Eko Hosp, Oncol & Fertil Ctr Ekocorp, Lagos, Nigeria
[10] Catholic Univ Louvain, Inst Rech Expt & Clin, Gynecol Res Unit, Av Mounier 52, B-1200 Brussels, Belgium
[11] Clin Univ St Luc, Dept Gynecol, Av Hippocrate 10, B-1200 Brussels, Belgium
[12] Northwestern Univ, Dept Pediat Endocrinol, Feinberg Sch Med, Chicago, IL 60611 USA
[13] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, NIH, Bethesda, MD USA
[14] Univ Toronto, Toronto, ON, Canada
[15] Northwestern Univ, Feinberg Sch Med, Dept Urol, Chicago, IL 60611 USA
[16] Monash Univ, Monash Biomed Discovery Inst, Anat & Dev Biol, Clayton, Vic, Australia
[17] Ann & Robert H Lurie Childrens Hosp Chicago, Div Urol, Chicago, IL 60611 USA
[18] Juntendo Univ, Fac Med, Dept Obstet & Gynecol, Tokyo, Japan
[19] Clin Rose, FERTILLIA, Tunis, Tunisia
[20] Ctr Esterilidad Montevideo, Montevideo, Uruguay
[21] Copenhagen Univ Hosp, Dept Fertil, Copenhagen, Denmark
[22] Univ Edinburgh, Dept Dev Endocrinol, Edinburgh, Midlothian, Scotland
[23] Univ Michigan, Dept Obstet & Gynecol, Div Reprod Endocrinol & Infertil, Ann Arbor, MI 48109 USA
[24] Univ Michigan, Dept Urol, Ann Arbor, MI 48109 USA
[25] Ohio State Univ, Dept Pediat, Coll Med, Columbus, OH 43210 USA
[26] Nationwide Childrens Hosp, Abigail Wexner Res Inst, Endocrinol & Ctr Biobehav Hlth, Columbus, OH USA
[27] Univ Pittsburgh, Dept Obstet Gynecol & Reprod Sci, Sch Med, Magee Womens Res Inst, Pittsburgh, PA USA
[28] Northwestern Univ, Feinberg Sch Med, Dept Obstet & Gynecol, Reprod Endocrinol & Infertil, Chicago, IL 60611 USA
[29] Harvard Med Sch, Massachusetts Gen Hosp, Dept Surg, Boston, MA 02115 USA
[30] Hosp Italiano Buenos Aires, Dept Obstet & Gynecol, Reprod Med Unit, Buenos Aires, DF, Argentina
[31] NYU, Dept Obstet & Gynecol, Ctr Med Eth, Populat Hlth,Grossman Sch Med, New York, NY 10016 USA
[32] Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Sci, Div Reprod Endocrinol & Infertil, San Francisco, CA USA
[33] Northwestern Univ, Dept Surg Pediat Surg, Feinberg Sch Med, Chicago, IL 60611 USA
[34] Vitalab, Johannesburg, South Africa
[35] Nationwide Childrens Hosp, Dept Hematol Oncol BMT, Fertil & Reprod Hlth Program, Columbus, OH USA
[36] Rutgers State Univ, Dept Pharmacol & Toxicol, Ernest Mario Sch Pharm, Environm Hlth Sci Inst, New Brunswick, NJ USA
[37] Oregon Hlth & Sci Univ, Div Reprod & Dev Sci, Oregon Natl Primate Res Ctr, Beaverton, OR USA
[38] Michigan State Univ, Coll Human Med, Dept Obstet Gynecol & Reprod Biol, E Lansing, MI 48824 USA