MAPT and frontotemporal dementia: Of the 4 patients with FTD with both tau and amyloid pathology (patients #77 and 78) were Thal phase 2, Braak stage 0-I, 1 (patient #80) was Thal phase 3, Braak stage I-II and the other (patient #79) was Thal phase 3, Braak stage IV-V.