1. Department of Otolaryngology-Head and Neck Surgery, The Chaim Sheba Medical Center, Tel-Hashomer, Israel.
2. Oncological Hospice, The Chaim Sheba Medical Center, Tel-Hashomer, Israel.
3. Tel Aviv University Sackler School of Medicine, Israel.
4. Geriatric Department, The Chaim Sheba Medical Center, Tel-Hashomer, Israel.
5. Oncology Institute, The Chaim Sheba Medical Center, Tel-Hashomer, Israel.