PCA_cluster Self-reported_ancestry count "African"-associated American Black 2 "African"-associated African Black 3 "African"-associated Unknown 3 "Asian"-associated East Indian 1 "Asian"-associated Japanese 2 "Asian"-associated Chinese 2 "Asian"-associated Asian 2 "Asian"-associated Unknown 2 "Asian"-associated Other 3 "Asian"-associated Korean 3 "Asian"-associated Pacific Islande 4 "Asian"-associated Filipino 4 "Caucasian"-associated Jewish 5 "Caucasian"-associated Unknown 52 "Caucasian"-associated Caucasian 265 "Hispanic"-associated Unknown 1 "Hispanic"-associated Caucasian 10 "Hispanic"-associated Hispanic 19 "Middle Eastern"-associated Southeast Asian 1 "Middle Eastern"-associated East Indian 1 "Middle Eastern"-associated Middle Eastern 3 "Native American"-associated Caucasian 2 "Native American"-associated Unknown 2 "Native American"-associated Native American 6