Department of Obstetrics and Gynecology (T.A., A.H., H.T., F.K., H.T., E.T., H.N., T.C., Y.I., W.Y., N.S., D.A.), School of Medicine, Keio University, Tokyo
Department of Obstetrics and Gynecology (S.N.), Osaka City General Hospital, Osaka, Japan
Supported in part by a Grant-in-Aid for Scientific Research on Priority Areas from the Ministry of Education, Science, and Culture, Japan (20014024), a Grant-in-Aid for Scientific Research (C) from the Ministry of Education, Science, and Culture, Japan (19591940), a Grant-in-Aid for Young Scientists (B) from the Ministry of Education, Science, and Culture, Japan (22791545), and a Grant from Osaka City General Hospital.
The authors declare no conflict of interest.
Address correspondence and reprint requests to Akira Hirasawa MD, PhD, Department of Obstetrics and Gynecology, School of Medicine, Keio University, 35 Shinanomachi, Shinjyuku-ku, Tokyo 160-8582, Japan. E-mail: [email protected].
