HMGA2 and posterior cortical atrophy: This was done in two stages, 20 SNPs were typed and analysed first and, based on these and earlier results, 35 more variants were added, particularly in the genes TMTC1, HMGA2 (OMIM*600698) and PAWR (OMIM*601936), which displayed the strongest association with PCa (Tables S1 and S4).