About the Authors

Erna G. Santoso, Keita Yoshida, Masanori Aizawa, Takashi Ushida, Katsuko S. Furukawa
Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Tokyo, Japan

Yasushi Hirota, Yutaka Osuga
Department of Obstetrics and Gynecology, School of Medicine, The University of Tokyo, Tokyo, Japan

Osamu Yoshino, Shigeru Saito
Department of Obstetrics and Gynecology, Faculty of Medicine, University of Toyama, Toyama, Japan

Akio Kishida
Department of Material-based Medical Engineering, Division of Biofunctional Restoration, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan

Takashi Ushida, Katsuko S. Furukawa
Department of Bioengineering, School of Engineering, The University of Tokyo, Tokyo, Japan

Corresponding Author

furukawa@mech.t.u-tokyo.ac.jp

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EGS KY KSF. Performed the experiments: EGS KY MA YH KSF. Analyzed the data: EGS KY KSF. Contributed reagents/materials/analysis tools: YH AK KSF. Wrote the paper: EGS KY YH AK OY YO SS TU KSF.