1. Columbia University/New York State Psychiatric Institute, New York, New York
2. State University of New York, Stony Brook, New York
3. University of California, San Francisco, California
4. The Ohio State University, Columbus, Ohio
5. Duke University Medical Center, Durham, North Carolina
6. Montreal Children's Hospital, Montreal, Quebec, Canada
7. State University of New York, Buffalo, New York
8. University of California, Irvine, California