Peter Doehring1, Fred R Volkmar2. 1. Life Course Outcomes Research Program, A.J. Drexel Autism Institute, Drexel University, 3020 Market Street, Suite 501, Philadelphia, PA, 19104-3734, USA. pfd35@drexel.edu. 2. Yale Child Study Center, 230 South Frontage Road, New Haven, CT, 06520, USA.