About the Authors

Hirotaka Masuda

Affiliations Department of Physiology, Keio University School of Medicine, Tokyo, Japan, Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Yumi Matsuzaki

penguin@sc.itc.keio.ac.jp (YM); tetsuo@sc.itc.keio.ac.jp (TM)

Affiliation Department of Physiology, Keio University School of Medicine, Tokyo, Japan

Emi Hiratsu

Affiliation Department of Physiology, Keio University School of Medicine, Tokyo, Japan

Masanori Ono

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Takashi Nagashima

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Takashi Kajitani

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Toru Arase

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Hideyuki Oda

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Hiroshi Uchida

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Hironori Asada

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Mamoru Ito

Affiliation Central Institute for Experimental Animals, Kanagawa, Japan

Yasunori Yoshimura

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Tetsuo Maruyama

penguin@sc.itc.keio.ac.jp (YM); tetsuo@sc.itc.keio.ac.jp (TM)

Affiliation Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan

Hideyuki Okano

Affiliation Department of Physiology, Keio University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HM YM TM HO. Performed the experiments: HM YM EH MO TN TK TA HO HU TM. Analyzed the data: HM TM. Contributed reagents/materials/analysis tools: HM YM HA MI TM HO. Wrote the paper: HM YM YY TM HO.