1. Department of Reproductive Biology, Case Western Reserve University, Cleveland, OH, USA
2. Department of Obstetrics and Gynecology, University Hospitals Case Medical Center, Cleveland, OH, USA
3. Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, The University of British Columbia, Vancouver, Canada
4. Department of OB/GYN and Women’s Health Institute, Cleveland Clinic Foundation, Cleveland, OH, USA