Feigin VL, Nichols E, Alam T, Bannick MS, Beghi E, Blake N, Culpepper WJ, Dorsey RE, Elbaz A, Ellenbogen RG, et al. Global, regional, and national burden of neurological disorders, 1990?2016: a systematic analysis for the Global Burden of Disease Study 2016. The Lancet Neurology. 2019;18:459?480.