1. Department of Psychology, George Mason University, Fairfax, Virginia, USA.
2. Gender and Autism Program, Children's National Hospital, Rockville, Maryland, USA.
3. Center for Autism Spectrum Disorders, Division of Neuropsychology, Children's National Hospital, Rockville, Maryland, USA.
4. George Washington University School of Medicine, Washington, District of Columbia, USA.
5. Department of Pediatrics, Psychiatry, and Behavioral Sciences, George Washington University School of Medicine, Washington, District of Columbia, USA.