**Acknowledgements**

We would like to acknowledge the following funding sources: a Challenge Award from Research to Prevent Blindness (New York, NY) to the Department of Ophthalmology at the Hamilton Eye Institute; and a Catalyst Award for Innovative Research Approaches for Age-Related Macular Degeneration to MMJ from Research to Prevent Blindness (New York, NY) and the International Retinal Research Foundation (Birmingham, AL).
