1. Department of Obstetrics, Gynecology and Reproductive Biology; Michigan State University, College of Human Medicine; Grand Rapids MI 49503 USA
2. WCU Biomodulation Major; College of Agriculture and Life Sciences, Seoul National University; Seoul 151-742 Republic of Korea
3. Division of Reproductive Endocrinology, Department of Obstetrics and Gynecology, Guro Hospital; Korea University Medical Centre; Seoul 152-703 Republic of Korea
4. Seoul Rachel Fertility Centre; Seoul 121-805 Republic of Korea
5. Department of Pathology; University of Texas MD Anderson Cancer Center; Houston TX 77030 USA
6. Department of Pharmacology, Graduate School of Medicine; Kyoto University, Yoshida-Konoé-cho; Sakyo, Kyoto 606-8501 Japan
7. Department of Molecular and Cellular Biology; Baylor College of Medicine; Houston TX 77030 USA
8. Department of Obstetrics, Gynecology and Women's Health; Spectrum Health Medical Group; Grand Rapids MI 49503 USA
9. Department of Obstetrics and Gynecology; University Medical Group, Greenville Hospital System; Greenville SC 29605 USA