1. Department of Speech, Language & Hearing Sciences, School of Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX
2. Department of Cell Biology and Biochemistry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX
3. Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX
4. Department of Pharmacy Practice, School of Pharmacy, Texas Tech University Health Sciences Center, Lubbock, TX