SOD1 and amyotrophic lateral sclerosis: 27 Brown Brown CA CA Lally Lally C C Kupelian Kupelian V V Flanders Flanders WD WD Estimated prevalence and incidence of amyotrophic lateral sclerosis and SOD1 and C9orf72 genetic variants Estimated prevalence and incidence of amyotrophic lateral sclerosis and SOD1 and C9orf72 genetic variants Neuroepidemiology Neuroepidemiology 2021 2021 55 55 5 5 342 342 353 353 10.1159/000516752 10.1159/000516752 34247168 34247168