1. McWhorter School of Pharmacy, Samford University, Birmingham, AL, USA
2. Department of Medicine; Division of Gerontology, Geriatrics, and Palliative Care, University of Alabama at Birmingham, Birmingham, AL, USA
3. Pharmaceutical Sciences Research Institute, Samford University, Birmingham, AL, USA
4. Department of Ophthalmology, College of Medicine, University of Florida Gainesville, FL, USA
5. Geriatric Research Education and Clinical Center, Birmingham VA Medical Center, Birmingham, AL, USA
6. Department of Biology, College of Arts and Sciences, University of Alabama at Birmingham, Birmingham, AL, USA