1. Department of Pediatrics, University of Alberta, Edmonton, Alberta
2. Pediatric Division, Glenrose Rehabilitation Hospital, Edmonton, Alberta
3. Offord Centre for Child Studies and McMaster Autism Research Team, Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario
4. Departments of Psychiatry, Pediatrics and Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon, USA
5. Department of Psychiatry, University of Toronto, Toronto, Ontario
6. Department of Psychiatry, Hospital for Sick Children and Centre for Addiction and Mental Health, Toronto, Ontario
7. Autism Research Centre, IWK Health Centre, Halifax, Nova Scotia
8. Departments of Pediatrics, Psychology and Neurosciences, Dalhousie University, Halifax, Nova Scotia
9. Departments of Educational and Counselling Psychology and Special Education, University of British Columbia, Vancouver, British Columbia
10. Counselling Psychology, Faculty of Education, University of Ottawa, Ottawa, Ontario
11. Department of Communication Sciences and Disorders, University of Alberta, Edmonton, Alberta
12. Integrated Services for Autism and Neurodevelopmental Disorders, Toronto, Ontario
13. Montreal Neurological Institute, McGill University, Montreal, Quebec
14. Faculty of Health Sciences, Children’s Health Policy Centre, Simon Fraser University, Vancouver, British Columbia
15. Department of Psychiatry, McGill University, Montreal, Quebec