Funding for this research was provided by:
National Institutes of Health (NIH Center Grant P30 EY014801)
Research to Prevent Blindness
Received: 12 December 2018
Accepted: 18 March 2019
First Online: 6 April 2019
Ethics approval and consent to participate
: All research methods are by the tenets of the Declaration of Helsinki and approved by the Human Subject Research Office (HSRO) at the University of Miami (ID: 20070492). All subjects were recruited voluntarily and were informed about the purposes, methods, and the potential risks of the study. A signed consent form was obtained from each volunteer.
: All study subjects gave informant consent.
: The authors declare that they have no competing interests.