Amerind ancestry, socioeconomic status and the genetics of type 2 diabetes in a Colombian population. by Campbell, D, Parra, M, Duque, C, Gallego, N, Franco, L, Tandon, A, Hünemeier, T, Bortolini, C, Villegas, A, Bedoya, G, McCarthy, M, Price, A, Reich, D, Ruiz-Linares, A