Funding for this research was provided by:
National Eye Institute (R01EY017835)
Received: 23 December 2018
Accepted: 31 July 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: All procedures and written informed consent documents were approved by the University of Utah Institutional Review Board. All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.