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