l heterogeneity of c9FIDALS associated with hexanucleotide repeat expansion in C9ORF72. Acm Neuropadrologica, 122, 673-690. "'bleary, D., Snowden, J.S. Gustafson, L., Passant, U., Stun, D., Black, S..... Benson, D.F. (1998). Frontotemporal lobar degen- eration: A consensus on clinical diagnostic criteria. Neu