Institution: | 1.Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan ;2.Department of Obstetrics and Gynecology, National Hospital Organization Saitama Hospital, Saitama, Japan ;3.Department of Obstetrics and Gynecology, School of Medicine, Fujita Health University, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-1192, Japan ;4.Department of Obstetrics and Gynecology, International University of Health and Welfare School of Medicine, Chiba, Japan ;5.Department of Clinical Genomic Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan ; |