University of Connecticut Health Center, Farmington, Connecticut, United States
New York State Psychiatric Institute, New York, New York, United States
University of Connecticut Health Center, Farmington, Connecticut, United States
Teen Tobacco Addiction Research Clinic, NIDA Intramural Research Program, Baltimore, Maryland, United States
National Institute on Drug Abuse, Baltimore, Maryland, United States
National Institute on Drug Abuse, Baltimore, Maryland, United States
University of Texas Health Science Center, San Antonio, San Antonio, Texas, United States
University of Texas Health Sci Cntr Houston, Houston, Texas, United States
McLean Hospital, Dept. of Psychiatry, Belmont, Massachusetts, United States