TBK1 and frontotemporal dementia: Mutations in the tumor necrosis factor receptor-associated factor NF-κB activator (TANK)-binding kinase 1 (TBK1) gene, located on Chromosome 12, have recently been described as a cause of familial frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS) (Cirulli et al. 2015; Freischmidt et al. 2015; Pottier et al. 2015).