1 Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel, Department of Otolaryngology, alilee Medical Center, Nahariya, Israel.
2 Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel, Department of Pediatric Intensive Care Unit, Galilee Medical Center, Nahariya, Israel.
3 Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel, Department of Anesthesia, alilee Medical Center, Nahariya, Israel.