Multipoint analysis with MERLIN yielded a maximum LOD score of 2.9 for all markers from D16S753 to D16S2623 inclusive and excluded linkage (LOD < −2) at other FTD loci (CHMP2B, C9ORF72, VCP, GRN/MAPT) (Supplementary Fig. 3). The gene discussed is C9orf72; the disease is frontotemporal dementia.