1. Department of Obstetrics and Gynecology, University Hospitals Case Medical Center, Cleveland, OH, USA
2. Seattle Reproductive Medicine, North Seattle, WA, USA
3. Skeletal Research Center, Department of Biology, Case Western Reserve University, Cleveland, OH, USA
4. Department of Chemistry, Case Western Reserve University, Cleveland, OH, USA
5. Duke Fertility Center, Durham, NC, USA
6. Department of Reproductive Biology, Case Western Reserve University, Cleveland, OH, USA