Funding for this research was provided by:
National Eye Institute (EYP30016665)
National Center for Advancing Translational Sciences (National Center for Advancing Translational Sciences)
Retinal Research Foundation (unrestricted grant)
Received: 11 July 2017
Accepted: 7 November 2017
First Online: 21 November 2017
Ethics approval and consent to participate
: The experiments in this study did not directly involve humans, animals, or plants.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.