1. State key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
2. Department of Ophthalmology, Zigong Third People's Hospital, Zigong, China
3. Department of Ophthalmology, Shenzhen Qianhai Shekou Free Trade Zone Hospital, Shenzhen, China
4. Department of Ophthalmology, Guizhou Aerospace Hospital, Zunyi, China
5. Department of Ophthalmology, Guizhou Provincial People's Hospital, Guiyang, China