1. Department of Ophthalmology, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA.
2. Lineage Cell Therapeutics, Inc., Alameda, California, USA.
3. Histopathology Core, National Eye Institute, National Institutes of Health, Bethesda, Maryland, USA.
4. Research Imaging Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA.