[1] Technion Israel Inst Technol, Ruth & Bruce Rappaport Fac Med, Rambam Hlth Care Campus, Oncol, Haifa, Israel
[2] Carmel Hosp, Otorhinolaryngol, Haifa, Israel
[3] Western Galilee Hosp, Otorhinolaryngol, Nahariyya, Israel
[4] Technion Israel Inst Technol, Ruth & Bruce Rappaport Fac Med, Rambam Hlth Care Campus, Nucl Med, Haifa, Israel