MAPT and frontotemporal dementia: Nineteen bvFTD (4 C9orf72, 2 MAPT, 1 C9orf72 + MAPT, 1 FUS, 9 GRN, 1 TREM2), two sbvFTD (1 MAPT, 1 GRN), three nfvPPA (2 GRN), two svPPA (1 MAPT, 1 GRN) and one PSP (1 GRN) cases had FTD‐related genetic mutations (g‐FTD).