About the Authors

Kyung-Sun Na

Affiliation Department of Ophthalmology, College of Medicine, The Catholic University of Korea, Seoul, Korea

Dong Hyun Jee

Affiliation Department of Ophthalmology, College of Medicine, The Catholic University of Korea, Seoul, Korea

Kyungdo Han

Affiliation Department of Biostatistics, The Catholic University of Korea, Seoul, Korea

Yong-Gyu Park

Affiliation Department of Biostatistics, The Catholic University of Korea, Seoul, Korea

Man Soo Kim

Affiliation Department of Ophthalmology, College of Medicine, The Catholic University of Korea, Seoul, Korea

Eun Chul Kim

eunchol@hanmail.net

Affiliation Department of Ophthalmology, College of Medicine, The Catholic University of Korea, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KSN MSK ECK DHJ. Performed the experiments: KSN KDH YGP. Analyzed the data: KSN KDH DHJ. Contributed reagents/materials/analysis tools: KDH YGP. Wrote the paper: KSN ECK.