1. Department of Otolaryngology, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue Bethesda, MD 20889-5600, USA
2. Department of Pathology, Tripler Army Medical Center, Honolulu, HI 96859 5000, USA
3. Department of Otolaryngology, Tripler Army Medical Center, Tripler AMC, Honolulu, HI 96859 5000, USA
4. Grove City College, Grove City, PA 16127, USA