[1] Hosp Author, Hong Kong Eye Hosp, Hong Kong, Hong Kong, Peoples R China
[2] Hosp Author, Prince Wales Hosp, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Univ Hong Kong, Shantou, Peoples R China
[4] Shantou Univ, Joint Shantou Int Eye Ctr, Shantou, Peoples R China
[5] Harvard Univ, Sch Med, Dept Ophthalmol, Massachusetts Eye & Ear Infirm, Boston, MA USA
[6] Capital Med Univ, Beijing Tongren Eye Ctr, Beijing Tongren Hosp, Beijing, Peoples R China
[7] Chinese Univ Hong Kong, Dept Ophthalmol & Visual Sci, Hong Kong, Peoples R China