1 Clinical Psychoneuroendocrinology and Neuropsychopharmacology Section, National Institute on Drug Abuse Intramural Research Program and National Institute on Alcohol Abuse and Alcoholism Division of Intramural Clinical and Biological Research, National Institutes of Health, Bethesda, MD, United States.
2 Center on Compulsive Behaviors, National Institutes of Health, Bethesda, MD, United States.
3 Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States.
4 Department of Neurology, University of California San Francisco, San Francisco, CA, United States.
5 Institute for Cognitive Science, University of Colorado Boulder, Boulder, CO, United States.
6 Bowles Center for Alcohol Studies, University of North Carolina School of Medicine, Chapel Hill, NC, United States.
7 Behavioral Neuroscience Program, Department of Psychology, Binghamton University-SUNY, Binghamton, NY, United States.