1. Barbara and Donald Jonas Laboratory of Stem Cells and Regenerative Medicine, Department of Ophthalmology, Pathology and Cell Biology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA,
2. Edward S. Harkness Eye Institute, Columbia University, New York, NY 10032, USA,
3. Tianjin Medical University Eye Hospital, Tianjin 300384, China,
4. Quantitative Proteomics Center, Department of Biological Sciences, Columbia University, New York, NY 10027, USA,
5. The New York Stem Cell Foundation Laboratory, New York, NY 10032, USA and
6. New York-Presbyterian Hospital, Columbia University Medical Center, New York, NY 10032, USA