- Correspondence to Professor Lin Lu, Zhongshan Ophthalmic Center, Sun Yat-sen University, State Key Laboratory of Ophthalmology, 510060, No. 54 Xianlie road, Guangzhou, 510060, People's Republic of China;
- Received 30 December 2016
- Revised 3 February 2017
- Accepted 10 February 2017
- Published in print 1 October 2017.
- Published online 26 September 2017.
- Published first 14 March 2017.
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