| Department of Medicine, Brookhaven National Laboratory, Upton, New York 11973, USA. volkow@bnl.gov |
| From the National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD. |
| Medical Department, Brookhaven National Laboratory, Upton, New York 11973, USA. volkow@bnl.gov. |
| National Institute on Alcohol Abuse and Alcoholism, Bethesda Maryland 20892, USA. nvolkow@nida.nih.gov |
| National Institute on Drug Abuse, 6001 Executive Boulevard, Rockville, MD 20857, USA. nvolkow@nida.nih.gov |
| National Institute on Drug Abuse, 6001 Executive Boulevard, Suite 5274, Bethesda, MD 20892, USA. |
| National Institute on Drug Abuse, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD 20892, USA. nvolkow@nida.nih.gov |
| National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland 20892, USA. nvolkow@nida.nih.gov |
| National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD 20892, USA. nvolkow@nida.nih.gov |
| National Institute on Drug Abuse, National Institutes of Health, Rockville, MD, USA. |
| National Institute on Drug Abuse (NIDA), National Institutes of Health, Bethesda, Maryland 20892, USA. nvolkow@nida.nih.gov |
| National Institute on Drug Abuse (NIDA), National Institutes of Health, Bethesda, MD, USA. |