1. The Department of Otolaryngology, Head and Neck Surgery Kaplan Medical Center Rehovot Israel
2. Hadassah Medical School The Hebrew University Jerusalem Israel
3. The Department of Pathology Kaplan Medical Center Rehovot Israel
4. The Department of Otolaryngology, Head and Neck Surgery Rabin Medical Center Petah Tikva Israel
5. Sackler Faculty of Medicine Tel‐Aviv University Tel‐Aviv Israel