About the Authors

Daisuke Kami

Affiliations Department of Reproductive Biology, National Institute for Child Health and Development, Tokyo, Japan, Laboratory for Medical Engineering, Division of Materials Science and Chemical Engineering, Graduate School of Engineering, Yokohama National University, Yokohama, Japan

Ichiro Shiojima

Affiliation Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, Chiba, Japan

Hatsune Makino

Affiliation Department of Reproductive Biology, National Institute for Child Health and Development, Tokyo, Japan

Kenji Matsumoto

Affiliation Department of Allergy and Immunology, National Institute for Child Health and Development, Tokyo, Japan

Yoriko Takahashi

Affiliation Department of Reproductive Biology, National Institute for Child Health and Development, Tokyo, Japan

Ryuga Ishii

Affiliation Department of Reproductive Biology, National Institute for Child Health and Development, Tokyo, Japan

Atsuhiko T. Naito

Affiliation Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, Chiba, Japan

Masashi Toyoda

Affiliation Department of Reproductive Biology, National Institute for Child Health and Development, Tokyo, Japan

Hirohisa Saito

Affiliation Department of Allergy and Immunology, National Institute for Child Health and Development, Tokyo, Japan

Masatoshi Watanabe

Affiliation Laboratory for Medical Engineering, Division of Materials Science and Chemical Engineering, Graduate School of Engineering, Yokohama National University, Yokohama, Japan

Issei Komuro

Affiliation Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, Chiba, Japan

Akihiro Umezawa

umezawa@1985.jukuin.keio.ac.jp

Affiliation Department of Reproductive Biology, National Institute for Child Health and Development, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AU DK. Performed the experiments: DK HM RI KM. Analyzed the data: AU AN DK YT RI MT MW. Contributed reagents/materials/analysis tools: IK AN IS HS. Wrote the paper: AU DK.