1. Department of Ophthalmology, the First Affiliated Hospital of Zhengzhou University, Henan Province Eye Hospital, Henan International Joint Research Laboratory for Ocular Immunology and Retinal Injury Repair, Zhengzhou, P.R. China
2. The Academy of Medical Sciences, Zhengzhou University, Zhengzhou, P.R. China
3. The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology and Chongqing Eye Institute, Chongqing, P.R. China
4. University Eye Clinic Maastricht, Maastricht, The Netherlands