Affiliation: | (1) Programa de Genética Humana, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla, 70061, Santiago-7, Chile;(2) Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2UH, UK;(3) Department of Psychology, University of Sheffield, Sheffield, S10 2TP, UK |