SOD1 and frontotemporal dementia: Among the latter, there were 7 with C9ORF72 mutations (5 diagnosed with ALS and 2 with ALS-FTD, aged 53 to 77), 3 with SOD1 mutations (aged 50 to 73), and 1 patient with TARBDP-associated disease (aged 47) (Table 1).