1. From the Department of Psychiatry and Legal Medicine, Universidade Federal do Rio Grande do Sul, Hospital de Clínicas de Porto Alegre, Section on Negative Affect and Social Processes, Porto Alegre, Brazil; the National Institute of Developmental Psychiatry, São Paulo, Brazil; the Department of Morphology and Genetics and the Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil; the Emotion and Development Branch, NIMH, Bethesda, Md.; the Graduate Program in Pediatric and Child...