1. Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
2. Nutritional Sciences Department, College of Human Sciences, Texas Tech University, Lubbock, TX 79409, USA
3. Neurology, Departments of School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
4. Public Health Department of Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
5. Department of Speech, Language and Hearing Sciences, School Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA