1 Department of Special Surgery, Division of Otolaryngology, Faculty of Medicine, Jordan University of Science and Technology, P O Box 3030, Irbid 22110, Jordan. Electronic address: aialomari@just.edu.jo.
2 Department of Special Surgery, Division of Otolaryngology, Faculty of Medicine, Jordan University of Science and Technology, P O Box 3030, Irbid 22110, Jordan.
3 Public Health Department, Faculty of Medicine, Jordan University of Science and Technology, P O Box 3030, Irbid 22110, Jordan.