1. Chemistry and Drug Metabolism Section; Intramural Research Program; National Institute on Drug Abuse; National Institutes of Health; Baltimore Maryland
2. Department of Psychiatry; University of Maryland School of Medicine; Baltimore Maryland
3. Department of Life Sciences; Ben-Gurion University of the Negev; Beer-Sheva Israel
4. Department of Psychiatry; Medical University of South Carolina; Charleston South Carolina
5. Ralph H. Johnson VA Medical Center; Charleston South Carolina