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.