With regard to additional/concomitant pathologies it is recommended to assess neuronal alpha-synuclein (αS) pathology, and to classify it into 5 categories (modified McKeith criteria of DLB) [10], i.e. none, brainstem-predominant, limbic (transitional), neocortical, and amygdala-predominant; to describe the extent and type of vascular pathology; and to report the presence or absence of hippocampal sclerosis and TDP-43 pathology. This evidence concerns the gene TARDBP and Lewy body dementia.