- Correspondence to Xufang Sun, Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1095, Wuhan, Hubei Province, 430030, P.R. China;
- Received March 7, 2020
- Revised May 29, 2020
- Accepted July 7, 2020
- First published August 11, 2020.
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