1. Department of Otolaryngology Head and Neck SurgeryKaplan Medical Center POB 1, Pasternak Rd Rehovot Israel
2. Faculty of MedicineThe Hebrew University Ein Kerem, POB 12000 Jerusalem Israel
3. Department of Otolaryngology Head and Neck SurgeryRabin Medical Center 39 Ze'ev Jabotinski St Petach‐Tikva 4941492 Israel
4. Sackler Faculty of MedicineTel Aviv University Tel Aviv 6997801 Israel