About the Authors

Natsuki Kohaya

Affiliation Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University, Sagamihara, Japan

Katsuyoshi Fujiwara

Affiliation Graduate School of Veterinary Sciences, Azabu University, Sagamihara, Japan

Junya Ito

itoj@azabu-u.ac.jp

Affiliations Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University, Sagamihara, Japan, Graduate School of Veterinary Sciences, Azabu University, Sagamihara, Japan

Naomi Kashiwazaki

Affiliations Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University, Sagamihara, Japan, Graduate School of Veterinary Sciences, Azabu University, Sagamihara, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: N. Kohaya JI N. Kashiwazaki. Performed the experiments: N. Kohaya KF. Analyzed the data: N. Kohaya KF JI. Wrote the paper: N. Kohaya JI N. Kashiwazaki.