1Department of Psychiatry, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brasil;
2Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.
3Depression Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA;
4Experimental Research Center, B.R.A.I.N. Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brasil;
5Medical Genetics Service, Molecular Genetics Laboratory, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brasil;
6Programa de Pós-Graduação Ciências Médicas: Psiquiatria, Department of Psychiatry and Forensic Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brasil;
7Department of Biological Sciences, University of Delaware, Newark, DE, USA
8Department of Research, Instituto Nacional de Genética Médica Populacional-INAGEMP, Porto Alegre, Brasil;
9Department of Research, Nemours/Alfred I. duPont Hospital for Children, Wilmington, DE, USA;
10Department of Psychiatry, Núcleo de Formação Específica em Psiquiatria da Escola de Medicina da Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brasil;
11Department of Psychiatry, Harvard Medical School, Boston, MA, USA