1. Department of Reproductive Medicine, The Affiliated Wuxi Hospital for Maternal and Children Health Care of Nanjing Medical University, Jiangsu Province 214002, China
2. Institute of Reproduction and Endocrinology, Meiji University, Kanagawa 214-8571, Japan
3. Division of Life Science, Graduate School of Agriculture, Meiji University, Kanagawa 214-8571, Japan
4. Laboratory of Molecular Biology and Gene Regulation, Department of Life Science, Meiji University, Kanagawa 214-8571, Japan
5. Department of Obstetrics and Gynecology, Tokai University School of Medicine, Kanagawa 259-1193, Japan
6. Department of Obstetrics and Gynecology, Tokai University School of Medicine, Kanagawa 259-1193, Japan