About the Authors

He Cao

Affiliation Injury Prevention Research Center, Medical College of Shantou University, Shantou, Guangdong Province, People’s Republic of China

Liping Li

lpli@stu.edu.cn

Affiliation Injury Prevention Research Center, Medical College of Shantou University, Shantou, Guangdong Province, People’s Republic of China

Mingzhi Zhang

Affiliation Joint Shantou International Eye Centre, Shantou, Guangdong Province, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HC LL. Performed the experiments: HC. Analyzed the data: HC LL. Contributed reagents/materials/analysis tools: LL MZ. Wrote the paper: HC LL.