1 State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Centre, Sun Yat-Sen University, No. 54 Xianlie South Road, Guangzhou City, 510060, Guangdong Province, People's Republic of China.
2 Department of Stem Cell Biology and Regenerative Medicine, Cleveland Clinic, Lerner Research Institute, Cleveland, OH, 44195, USA.
3 Sanford Consortium for Regenerative Medicine, University in California, San Diego 2880 Torrey Pines Scenic Dr, La Jolla, CA, 92037, USA.
4 State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Centre, Sun Yat-Sen University, No. 54 Xianlie South Road, Guangzhou City, 510060, Guangdong Province, People's Republic of China. [email protected].