1. The Nisonger Center, Ohio State University, Columbus, Ohio.
2. Kennedy Krieger Institute, Johns Hopkins University, Baltimore, Maryland.
3. Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California.
4. Department of Psychiatry, University of California, San Francisco, California.
5. Southwest Autism Research & Resource Center, Phoenix, Arizona.
6. Forest Research Institute, (now Allergan) Jersey City, New Jersey.