1. Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
2. Neuroscience & Pharmacology, Texas Tech University Health Sciences Center, Lubbock, TX, USA
3. Neurology, Department of School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
4. Public Health Department of Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX, USA
5. Department of Speech, Language and Hearing Sciences, School of Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX, USA