[1]Univ Florida, Ophthalmol, Gainesville, FL 32611 USA.
[2]Nanjing Med Univ, Affiliated Hosp 1, Dept Ophthalmol, Nanjing, Jiangsu, Peoples R China.
[3]Peoples Hosp Guangxi Zhuang Autonomous Reg, Dept Ophthalmol, Nanning, Guangxi, Peoples R China.
[4]Univ Utah, Opthalmol & Visual Sci, Salt Lake City, UT USA.
[5]Fudan Univ, Shanghai Med Coll, Eye & ENT Hosp, Dept Ophthalmol & Vis Sci, Shanghai, Peoples R China.
[6]Xiamen Univ, Xiamen Eye Ctr, Xiamen, Fujian, Peoples R China.
[7]Peking Univ, Peoples Hosp, Ophthalmol Dept, Peoples Eye Ctr, Beijing, Peoples R China.
[8]Eye Inst, Beijing, Peoples R China.