1. Department of Otolaryngology–Head and Neck Surgery and Maxillofacial Surgery Tel Aviv Sourasky Medical Center, Sackler School of Medicine, Tel Aviv University Tel Aviv Israel
2. Department of Otolaryngology Massachusetts Eye and Ear Boston Massachusetts U.S.A.
3. Department of Otolaryngology, Harvard Medical School Boston Massachusetts U.S.A.
4. Department of Pathology Massachusetts Eye and Ear Boston Massachusetts U.S.A.
5. Department of Pathology Massachusetts General Hospital and Harvard Medical School Boston Massachusetts U.S.A.