1. Division of Reproductive Endocrinology & Infertility; Department of Obstetrics & Gynecology; Keck School of Medicine, University of Southern California, Los Angeles, California, USA
2. Department of Obstetrics & Gynecology; Keck School of Medicine, University of Southern California, Los Angeles, California, USA
3. Department of Obstetrics & Gynecology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, USA
4. USC Fertility, University of Southern California, Los Angeles, California, USA
5. Institute of Urology, University of Southern California, Los Angeles, California, USA