[1] Beijing Tongren Eye Ctr, Glaucoma, Beijing, Peoples R China
[2] Johns Hopkins Wilmer Eye Inst, Ophthalmol, Baltimore, MD USA
[3] Beijing Chaoyang Hosp, Ophthalmol, Beijing, Peoples R China
[4] Handan Eye Hosp, Glaucoma, Handan, Hebei, Peoples R China
[5] Beijing Tongren Eye Ctr, Ophthalmol, Beijing, Peoples R China
[6] Handan Eye Hosp, Ophthalmol, Handan, Hebei, Peoples R China
[7] Beijing Tongren Eye Ctr, Clin Eye Res Ctr, Beijing, Peoples R China
[8] Wilmer Eye Ctr, Glaucoma, Baltimore, MD USA
[9] Natl Univ Singapore, Singapore Eye Res Inst, Singapore, Singapore