[1] Texas Tech Univ, Hlth Sci Ctr, Internal Med, 3601 Fourth St MS-9410-4B 207, Lubbock, TX 79430 USA
[2] Texas Tech Univ, Hlth Sci Ctr, Neurosci & Pharmacol, 3601 Fourth St MS-9424-4B 207, Lubbock, TX 79430 USA
[3] Texas Tech Univ, Hlth Sci Ctr, Dept Sch Med, Neurol, 3601 Fourth St MS-9424-4B 207, Lubbock, TX 79430 USA
[4] Texas Tech Univ, Hlth Sci Ctr, Dept Publ Hlth, Grad Sch Biomed Sci, 3601 Fourth St MS-9424-4B 207, Lubbock, TX 79430 USA
[5] Texas Tech Univ, Hlth Sci Ctr, Speech Language & Hearing Sci Dept, Sch Hlth Profess, 3601 Fourth St MS-9410-4B 207, Lubbock, TX 79430 USA