1. Department of Public Health Sciences, Clemson University, Clemson, South Carolina,USA
2. Department of Medicine, Division of General Internal Medicine, Albert Einstein College of Medicine, Bronx, New York,USA
3. Clemson University School of Health Research, Clemson, South Carolina,USA
4. Department of Medicine, University of South Carolina School of Medicine, Greenville, South Carolina,USA
5. Department of Internal Medicine, Prisma Health, Greenville, South Carolina,USA