The National Institute on Drug Abuse wishes to thank the following individuals for reviewing this publication.

Martin W. Adler, Ph.D.
Temple University School of Medicine

Andrea G. Barthwell, M.D.
Encounter Medical Group

Kathleen Brady, M.D., Ph.D.
Medical University of South Carolina

Greg Brigham, Ph.D.
Maryhaven

Kathleen M. Carroll, Ph.D.
Yale University School of Medicine

Richard R. Clayton, Ph.D.
University of Kentucky

Linda B. Cottler, Ph.D.
Washington University School of Medicine

David P. Friedman, Ph.D.
Wake Forest University
Bowman Gray School of Medicine

Reese T. Jones, M.D.
University of California at San Francisco

Nancy K. Mello, Ph.D.
Harvard Medical School

William R. Miller, Ph.D.
University of New Mexico

Charles P. O'Brien, M.D., Ph.D.
University of Pennsylvania

Jeffrey Selzer, M.D.
Zucker Hillside Hospital

Eric J. Simon, Ph.D.
New York University
Langone Medical Center

Jose Szapocznik, Ph.D.
University of Miami Miller School of Medicine

George Woody, M.D.
University of Pennsylvania