1 The Department of Psychiatry and Neurology, University of Texas Rio Grande Valley School of Medicine, Harlingen (Uscamayta Ayvar, de Erausquin); the Department of Anthropology, National University of San Marcos, Lima, Peru (Sanchez Garrafa); and the Department of Psychiatry, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, N.J. (Escobar).