Affiliation: | From the Division of Neurology (AlMohammedi, Khatri), Department of Medicine, King Abdulaziz Medical City, College of Medicine (AlMutairi H, AlHoussien, AlOtayan, AlMutairi A, Bafail, Khatri), King Saud bin Abdulaziz University for Health Sciences, and from King Abdullah International Medical Research Center (Khan, Khatri), Riyadh, Kingdom of Saudi Arabia. |