title: Letters to editor / erratum.
authors.affiliation: Genética Epidemiológica, Facultad de Medicina, Universidad de Chile, Chile.
authors.forename: Raúl Eb
authors.initials: RE
authors.lastname: Loyola
mesh_terms: D019143:Evolution, Molecular; D040961:Genetic Drift; D009154:Mutation / Q000235:genetics*; D012641:Selection, Genetic