About the Authors

Mikiko Yamanaka-Tatematsu

Contributed equally to this work with: Mikiko Yamanaka-Tatematsu, Akitoshi Nakashima

Affiliation Department of Obstetrics and Gynecology, Faculty of Medicine, University of Toyama, Toyama, Japan

Akitoshi Nakashima

Contributed equally to this work with: Mikiko Yamanaka-Tatematsu, Akitoshi Nakashima

Affiliation Department of Obstetrics and Gynecology, Faculty of Medicine, University of Toyama, Toyama, Japan

Naonobu Fujita

Affiliation Department of Genetics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan

Tomoko Shima

Affiliation Department of Obstetrics and Gynecology, Faculty of Medicine, University of Toyama, Toyama, Japan

Tamotsu Yoshimori

Affiliation Department of Genetics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan

Shigeru Saito

s30saito@med.u-toyama.ac.jp

Affiliation Department of Obstetrics and Gynecology, Faculty of Medicine, University of Toyama, Toyama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AN MY. Performed the experiments: MY AN. Analyzed the data: MY AN TS. Contributed reagents/materials/analysis tools: AN NF TY. Wrote the paper: AN SS MY.