[1] Rashid Hosp, Dept Neurol, POB 4545, Dubai, U Arab Emirates
[2] Dubai Hlth Author DHA, Dubai Med Coll, POB 4545, Dubai, U Arab Emirates
[3] Neurospinal Hosp, Baghdad Med Coll, Dept Neurol, Dubai, U Arab Emirates
[4] Amer Ctr Psychiat & Neurol, Dept Neurol, Dubai, U Arab Emirates
[5] Tawam Hosp, Neurol Med Clin, Abu Dhabi, U Arab Emirates
[6] AlQassami Hosp, Dept Neurol, Sharjah, U Arab Emirates
[7] Cleveland Clin Abu Dhabi, Neurol Inst, Abu Dhabi, U Arab Emirates
[8] UHS Univ Hosp Sharjah, Med Coll, Sharjah, U Arab Emirates
[9] Sheikh Khalifa Med City, Dept Neurol, Abu Dhabi, U Arab Emirates
[10] Sheikh Shakhbout Med City, Abu Dhabi, U Arab Emirates
[11] Al Zahra Hosp, Dept Neurol, Dubai, U Arab Emirates
[12] NMC Specialty Hosp, Dept Neurol, Dubai, U Arab Emirates
[13] Merck Serono Middle East FZ Ltd, Dubai, U Arab Emirates
[14] Merck KgaA, Darmstadt, Germany