TARDBP and amyotrophic lateral sclerosis: After examining availability of TDP-43 measures in the NACC database in Part I, we then focused on the subset of participants who had all the relevant TDP-43 pathological assessments (TDP-43 assessed for all brain regions, FTLD-TDP, ALS-TDP, and HS-A) available to examine frequency of the TDP-43 groups in this subset of NACC data, distribution of regional TDP-43 inclusions, and associations with clinical diagnosis and other pathologies.