1. Department of Otolaryngology-Head and Neck Surgery; Wayne State University School of Medicine; Detroit Michigan U.S.A.
2. Department of Otolaryngology-William Beaumont Hospital; Royal Oak Michigan U.S.A.
3. Division of Facial Plastic and Reconstructive Surgery; Department of Otolaryngology-Head and Neck Surgery; Wayne State University School of Medicine; Detroit Michigan U.S.A.
4. John Dingell VA Medical Center; Detroit Michigan U.S.A.
5. Barbara Ann Karmanos Cancer Institute; Wayne State University School of Medicine; Detroit Michigan U.S.A.