1. Department of Otolaryngology-Head and Neck Surgery; Loma Linda University Health; Loma Linda California U.S.A.
2. Voice and Swallowing Center, School of Public Health; Loma Linda University Health; Loma Linda California U.S.A.
3. School of Medicine; Loma Linda University Health; Loma Linda California U.S.A.
4. Department of Physical Medicine and Rehabilitation/Pain Management; Loma Linda University Health; Loma Linda California U.S.A.