1. Lilly Research Laboratories, Indianapolis, Indiana.
2. Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, Texas.
3. Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts.
4. Morristown Memorial Hospital, Morristown, New Jersey.
5. Penn State College of Medicine, Hershey, Pennsylvania and PharmaStar, Wayne, Pennsylvania.
6. Mercy Health Research, Chesterfield, Missouri.
7. Clinco, Terre Haute, Indiana.
8. Penn State College of Medicine, Hershey, Pennsylvania, and Devereux Foundation, West Chester, Pennsylvania.
9. Louisiana State University Health Sciences Center, New Orleans, Louisiana.