[1] Univ Kansas, Med Ctr, Dept Mol & Integrat Physiol, Kansas City, KS 66103 USA
[2] Univ Pittsburgh, Magee Womens Hosp, Sch Med, Pittsburgh, PA 15213 USA
[3] Univ Rostock, Dept OB GYN, Rostock, Germany
[4] Childrens Mercy Hosp, Sect Med Genet & Mol Med, Kansas City, MO 64108 USA