1. TEACCH Autism Program School of Medicine, University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
2. Center for Youth Development and Intervention, Department of Psychology The University of Alabama Tuscaloosa Alabama USA
3. Department of Psychiatry & Behavioral Sciences Vanderbilt University Medical Center Nashville Tennessee USA
4. Department of Psychology, Stony Brook University Stony Brook New York USA
5. AJ Drexel Autism Institute, Drexel University Philadelphia Pennsylvania USA
6. Department of Psychology University of South Florida Tampa Florida USA