1. Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana.
2. Department of Psychiatry and Behavioral Science, University of Texas Medical Branch, Galveston, Texas.
3. Department of Child and Adolescent Psychiatry, University Hospitals of Cleveland, Case Western Reserve University, Cleveland, Ohio.
4. Psychiatry and Pediatrics, The George Washington University Medical Center, Children's National Medical Center, Washington, D.C.
5. College of Medicine, Pennsylvania State University, Hershey, Pennsylvania and Devereaux Foundation, West Chester, Pennsylvania.
6. College of Medicine, Pennsylvania State University, Hershey, Pennsylvania and PharmaStar, Wayne, Pennsylvania.