1. Behavioral Neuropharmacology and Neuroimaging Laboratory on Addictions; Research Institute on Addictions, University at Buffalo; Buffalo New York
2. Department of Biology; City College of New York; New York New York
3. Department of Pharmacology, School of Medicine; University of Ioannina; Ioannina Greece
4. Laboratory of Molecular and Cellular Neuroscience; the Rockefeller University; New York New York
5. Laboratory of Neuroimaging; National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health; Bethesda Maryland