Funding for this research was provided by:
U.S. Department of Veterans Affairs (R01EY026174, EPID-006-15S)
National Institutes of Health (P30EY014801)
Text and Data Mining valid from 2019-05-14
Received: 30 October 2018
Accepted: 15 April 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: The methods adhered to the tenets of the Declaration of Helsinki and were Health Insurance Portability and Accountability Act (HIPAA)-compliant. The Miami Veterans Administration Institutional Review Board approved this retrospective case-control study.
: Not applicable.
: The authors declare that they have no competing interests.