1. Department of Obstetrics and Gynecology, Faculty of Medicine, School of Medicine, Fukuoka University, Nanakuma, Jonan-ku, Fukuoka, Japan
2. Department of Pathology, Faculty of Medicine, School of Medicine, Fukuoka University, Nanakuma, Jonan-ku, Fukuoka, Japan
3. Department of Stem Cell Biology, Proteo-Medicine Research Center, Ehime University, Shitsukawa, Toon, Ehime, Japan
4. Laboratory for Morphogenetic Signaling, Center for Developmental Biology, Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo, Japan
5. Department of Medical System Science, Faculty of Pharmaceutical Sciences, Fukuoka University, Nanakuma, Jonan-ku, Fukuoka, Japan
6. Department of Biochemistry, Faculty of Medicine, School of Medicine, Fukuoka University, Nanakuma, Jonan-ku, Fukuoka, Japan
7. Division of Gynecology, Center for Preventive Medicine, Fukuoka Sanno Hospital, International University of Health and Welfare, Momochihama, Sawara-ku, Fukuoka, Japan