1 From the Department of Obstetrics, Gynecology, and Molecular Reproductive Science, Yokohama City University School of Medicine, Yokohama, Japan (all authors).. Electronic address: new_official_asano@hotmail.co.jp.
2 From the Department of Obstetrics, Gynecology, and Molecular Reproductive Science, Yokohama City University School of Medicine, Yokohama, Japan (all authors).