Affiliation: | Sherifa Ahmed Hamed, Department of Neurology and Psychiatry, Assiut University, Faculty of Medicine, Assiut 71516, EgyptEman Bahaa Kamal-Eldeen, Department of Pediatrics, Assiut University, Faculty of Medicine, Assiut 71516, EgyptMohamed Azzam Abdel-Razek Ahmed, Department of ENT, Assiut University, Faculty of Medicine, Assiut 71516, Egypt |