1 Department of Ophthalmology, Henan Provincial People's Hospital, Zhengzhou 450003, China.
2 Henan Eye Hospital, Henan Eye Institute, Henan Key Laboratory of Ophthalmology and Visual Science, Zhengzhou 450003, China.
3 Department of Ophthalmology, People's Hospital of Zhengzhou University, Zhengzhou 450003, China.
4 People's Hospital of Henan University, Zhengzhou 450003, China.
5 Ophthalmology Optometry Center, Peking University People's Hospital, Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases, Beijing 100044, China.
6 Departments of Pathology and Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, CA, USA.