1. Clinical Pharmacokinetics Research Laboratory, Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI, 7 Greenhouse Road, Kingston, RI 02881, USA
2. Section on Clinical Psychoneuroendocrinology and Neuropsychopharmacology, National Institute on Alcohol Abuse and Alcoholism and National Institute on Drug Abuse, 10 Center Drive (10CRC/15330), Bethesda, MD 20892, USA
3. Medication Development Program, National Institute on Drug Abuse Intramural Research Program, 251 Bayview Blvd., Baltimore, MD 21224, USA
4. Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, 121 South Main Street, Providence, RI 02912, USA
5. Division of Addiction Medicine, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
6. Department of Neuroscience, Georgetown University Medical Center, 4000 Reservoir Road, Washington D.C., DC 20007, USA