1. Australian Council for Educational Research Camberwell Victoria Australia
2. Australian Council for Educational Research Adelaide South Australia Australia
3. Division of Child and Adolescent Psychiatry, Stanford Autism Center, Department of Psychiatry and Behavioral Sciences, School of Medicine Stanford University Palo Alto California
4. A. J. Drexel Autism Institute Dornsife School of Public Health, Drexel University Philadelphia Pennsylvania
5. Olga Tennison Autism Research Centre, School of Psychology and Public Health, College of Science, Health and Engineering LaTrobe University Bundoora Victoria Australia