1. Department of Human Ecology, University of California, Davis, CA, USA
2. Center for Mind and Brain, University of California, Davis, CA, USA
3. Child and Adolescent Psychiatry Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
4. Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
5. Department of Medicine, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY, USA
6. ADHD and Developmental Psychiatry Programs, Hospital de Clínicas de Porte Alegre, Porto, Alegre, Brazil
7. National Institute of Developmental Psychiatry for Children and Adolescents, Porto Alegre, Brazil
8. Department of Psychological Medicine, King’s College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK
9. NIHR Maudsley Biomedical Research Centre, South London and Maudsley NHS Foundation, Trust and King’s College London, London, UK