1. Neuroscience and Behavioral Pharmacology Laboratory, Alcohol and Drug Abuse Research Center, Division of Basic Research McLean Hospital/Harvard Medical School Belmont Massachusetts USA
2. Laboratory of Neuropsychiatry, Psychiatric Centre Copenhagen Mental Health Services in the Capital Region of Denmark Copenhagen Denmark
3. Department of Neuroscience, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
4. McGovern Institute for Brain Research and Department of Brain and Cognitive Sciences Massachusetts Institute of Technology Cambridge Massachusetts USA
5. Vanderbilt Program in Drug Discovery, Vanderbilt Specialized Chemistry Center (Molecular Libraries Probe Production Centers Network; MLPCN), Department of Pharmacology Vanderbilt University Medical Center Nashville Tennessee USA