PCA of SNP array data compared with data from European 1000 Genomes populations (GBR: British in England and Scotland, IBS: Iberian Population in Spain, JPT:Japanese in Tokyo, LWK: Luhya in Kenya, MXL: Mexican Ancestry from Los Angeles USA, PUR: Puerto Ricans from Puerto Rico, TSI: Toscani in Italia, YRI: Yoruba in Ibadan, Nigeria, ASW: Americans of African Ancestry in SW USA, CEU:Utah Residents (CEPH) with Northern and Western European Ancestry, CHB: Han Chinese in Beijing, CHS: Southern Han Chinese, CLM: Colombians from Medellin, FIN: Finnish in Finland, Case: Non-resilient, Control: resilient). A total of 160850 SNPs were used to generate this plot.