Correction

Correction for: Wallin MT, Culpepper WJ, Campbell JD, Nelson LM, Langer-Gould A, Marrie RA, Cutter GR, Kaye WE, Wagner L, Tremlett H, Buka SL, Dilokthornsakul P, Topol B, Chen LH, LaRocca NG; US Multiple Sclerosis Prevalence Workgroup.  The prevalence of MS in the United States: A population-based estimate using health claims data. Neurology. 2019 Mar 5;92(10):e1029-e1040. doi: 10.1212/WNL.0000000000007035.  PMID: 30770430