1. Department of Neurology, Hillel Yaffe Medical Center, P.O. Box 169, 38100 Hadera, Israel
2. Unit of Otoneurology, Lin Medical Center, Haifa, Israel
3. Department of Otolaryngology, Head and Neck Surgery, Carmel Medical Center, Haifa, Israel
4. The Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
5. Department of Ophthalmology, Hillel Yaffe Medical Center, Hadera, Israel
6. Unit of Otolaryngology, Head and Neck Surgery, Hillel Yaffe Medical Center, Hadera, Israel