- Correspondence to Professor Jialiang Zhao, Chinese Academy of Medical Sciences, Peking Union Medical College Hospital , #1 Dongjiaomin Street, Dongcheng District, Beijing 100730, China; and Dr Mingguang He, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, #54 Xianlie South Road, Yuexiu District, Guangzhou 510060, People’s Republic of China;
- Received February 20, 2017
- Revised July 19, 2017
- Accepted August 10, 2017
- First published August 28, 2017.
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