About the Authors

Satoshi Okimoto

okimoto@hiroshima-u.ac.jp

Affiliation Department of Ophthalmology and Visual science, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan

Keiko Yamashita

Affiliation Shibata Eye Clinic, Hyogo, Japan

Tetsuo Shibata

Affiliation Shibata Eye Clinic, Hyogo, Japan

Yoshiaki Kiuchi

Affiliation Department of Ophthalmology and Visual science, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan

Competing Interests

KY and TS are employees of Shibata Eye Clinic. There are no patents, products in development, or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SO YK TS. Performed the experiments: SO. Analyzed the data: SO KY. Contributed reagents/materials/analysis tools: SO KY TS. Wrote the paper: SO KY.