1 Fundação de Economia e Estatística, Porto Alegre, Brazil.
2 Departamento de Pediatria, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil.
3 Division of Endocrinology, Department of Paediatrics, Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.
4 Department of Psychology, University of Toronto, Mississauga, ON, Canada.
5 Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.
6 Department of Psychiatry and Neurology, McGill University, Douglas Mental Health University Institute, Montreal, QC, Canada; Singapore Institute for Clinical Sciences, Singapore.
7 Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Centre for Addiction and Mental Health, Toronto, ON, Canada.
8 Departamento de Pediatria, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, 90035-903, Brazil. Electronic address: [email protected].