1. School of Rehabilitation Sciences, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada.
2. CanChild Centre for Childhood Disability Research, McMaster University, Hamilton, Ontario, Canada.
3. Department of Psychology, Research and Clinical Training Stream, McMaster University, Hamilton, Ontario, Canada.
4. Offord Centre for Child Studies, McMaster University, Hamilton, Ontario, Canada.
5. Woodview Mental Health and Autism Services, Burlington, Ontario, Canada.
6. Speech-Language Pathologist, Hamilton, Ontario, Canada.
7. Hamilton-Wentworth District School Board, Hamilton, Ontario, Canada.
8. Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada.
9. Child and Youth Mental Health Program, McMaster Children's Hospital, Hamilton, Ontario, Canada.