Chilaf Peled1, Daniel M Kaplan2. 1. Department of Otolaryngology- Head and Neck Surgery, Soroka University Medical Center and the Faculty of Health Sciences, Ben Gurion University, Beer Sheva, Israel. chilafp@gmail.com. 2. Department of Otolaryngology- Head and Neck Surgery, Soroka University Medical Center and the Faculty of Health Sciences, Ben Gurion University, Beer Sheva, Israel.