About the Authors

Xiao-feng Zhu

Affiliation Department of Ophthalmology, Shanghai First People's Hospital Affiliated Shanghai Jiao Tong University, Shanghai, China

Hai-dong Zou

zouhaidong@hotmail.com

Affiliation Department of Ophthalmology, Shanghai First People's Hospital Affiliated Shanghai Jiao Tong University, Shanghai, China

Yong-fu Yu

Affiliation Department of Biostatistics, School of Public Health, Fudan University, Shanghai, China

Qian Sun

Affiliation Department of Ophthalmology, Shanghai First People's Hospital Affiliated Shanghai Jiao Tong University, Shanghai, China

Nai-qing Zhao

Affiliation Department of Biostatistics, School of Public Health, Fudan University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HZ XZ. Performed the experiments: XZ HZ QS YY. Analyzed the data: HZ XZ YY NZ. Contributed reagents/materials/analysis tools: HZ XZ YZ. Wrote the paper: XZ HZ.