1. Department of Speech, Language, and Hearing Sciences University of Missouri Columbia Missouri USA
2. Department of Psychological Sciences University of Connecticut Storrs Connecticut USA
3. CT Institute for the Brain and Cognitive Sciences Storrs Connecticut USA
4. Department of Speech, Language, and Hearing Sciences University of Connecticut Storrs Connecticut USA
5. Department of Psychiatry University of Pennsylvania Philadelphia Pennsylvania USA
6. Children's Hospital of Philadelphia Center for Autism Research and Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania USA