National Natural Science Foundation of China, CAMS Innovation Fund for Medical Sciences, Non-profit Central Research Institute Fund of Chinese Academy of Medical Sciences, Lumitin Vision to Brightness Research Funding for the Young and middle-aged Ophthalmologists, Peking Union Medical College Hospital Talent Cultivation Program, Fundamental Research Funds for the Central Universities, Peking Union Medical College, National High-Level Hospital Clinical Research Funding, Beijing Students' Funding for Innovation and Entrepreneurship Training Program, Guangdong Basic and Applied Basic Research Foundation, Guangdong Provincial Key Laboratory.
Zhao et al. (Sun,) studied this question.