1. Department of Otolaryngology-Head and Neck Surgery; Thomas Jefferson University; Philadelphia Pennsylvania U.S.A.
2. Department of Biological Sciences; University of Delaware; Newark U.S.A.
3. Head and Neck Multidisciplinary Clinic; Helen F. Graham Cancer Center, Christiana Care; Newark U.S.A.
4. Jefferson Integrated Bioscience Program; Thomas Jefferson University; Philadelphia Pennsylvania U.S.A.
5. Doctors Pathology Services; Dover Delaware U.S.A.