Petros Levounis, M.D., M.A.,is Director of the Addiction Institute of New York; Chief of the Division of Addiction Psychiatry at The St. Luke's and Roosevelt Hospitals; and Associate Clinical Professor of Psychiatry at Columbia University College of Physicians and Surgeons in New York, New York.Bachaar Arnaout, M.D.,is Assistant Clinical Professor of Psychiatry at the Veterans Administration Connecticut Healthcare System and Yale University School of Medicine in New Haven, Connecticut.