1. Department of Otolaryngology‐Head and Neck SurgeryBeilinson Medical Center and the Sackler Faculty of MedicineTel‐Aviv UniversityPetah TikvaIsrael
2. Department of Nuclear MedicineBeilinson Medical Center and the Sackler Faculty of MedicineTel‐Aviv UniversityPetah TikvaIsrael
3. Epidemiology UnitBeilinson Medical Center and the Sackler Faculty of MedicineTel‐Aviv UniversityPetah TikvaIsrael