1. Department of Neurology, Neurological Institute (P.K.), Cleveland Clinic Abu Dhabi, UAE.
2. Department of Neurology and Neurointerventional Surgery, Neurological Institute (S.J., S.I.H.), Cleveland Clinic Abu Dhabi, UAE.
3. Cleveland Clinic Abu Dhabi, UAE (P.J.).
4. Sheikh Khalifa Medical City, Abu Dhabi, UAE (W.H.G.).