1. Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill, Chapel Hill, NC 27510, USA.
2. Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, USA.
3. Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA.
4. Department of Educational Psychology, University of Minnesota, Minneapolis, MN 55455, USA.
5. Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada.
6. Institute of Child Development, University of Minnesota, Minneapolis, MN 55455, USA.
7. Department of Speech and Hearing Sciences, University of Washington, Seattle, WA 98105, USA.
8. Mallinckrodt Institute of Radiology, Washington University, Washington University School of Medicine, St. Louis, MO 63110, USA.
9. Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.
10. Center on Human Development and Disability, University of Washington, Seattle, WA 98105, USA.
11. Department of Radiology, University of Washington, Seattle, WA 98105, USA.
12. Tandon School of Engineering, New York University, Brooklyn, NY 11201, USA.
13. Center for Autism Research, Department of Pediatrics, Children’s Hospital of Philadelphia, and University of Pennsylvania, Philadelphia, PA 19104, USA.
14. Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA.