1. Department of Biostatistics and Epidemiology, College of Public Health, East Tennessee State University, Johnson City, TN, USA;
2. Department of Internal Medicine, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, USA;
3. College of Nursing, East Tennessee State University, Johnson City, TN, USA;
4. Department of Health Services Management and Policy, College of Public Health, East Tennessee State University, Johnson City, TN, USA;
5. Department of Pharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN, USA