1. Division of Otolaryngology-Head and Neck Surgery; Sainte-Justine University Hospital Center (CHU SJ); University of Montreal; Montreal Quebec Canada
2. Division of Otolaryngology-Head and Neck Surgery; Lebanese University, Sacré-Coeur Hospital; Beirut Lebanon
3. Department of Audiology; Sacré-Coeur Hospital; Beirut Lebanon
4. Department of Otolaryngology-Head and Neck Surgery; Anna-Laberge Hospital; Châteauguay Quebec Canada
5. Department of Radiology and Neuroradiology; Lebanese University, Sacré-Coeur Hospital; Beirut Lebanon