2 Clinical Psychopharmacology Unit, University College London, London, WC1E 6BT, UK.
3 Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, 60637, USA.
4 MRC Clinical Sciences Centre, Imperial College Hammersmith Campus, London, SW7 2AZ, UK.
5 Institute of Psychiatry, Psychology and Neuroscience, King's College London, 16 De Crespigny Park, London, SE5 8AF, UK.
6 Department of Pharmacology & Therapeutics, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia.
7 The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, VIC, 3052, Australia.
8 Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, 19104, USA.
9 Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104, USA.
10 Department of Psychology, Tufts University, Bacon Hall, Medford, MA, 02155, USA.
11 Department of Neuroscience, Tufts University, Bacon Hall, Medford, MA, 02155, USA.
12 Department of Pharmacology, Tufts University, Bacon Hall, Medford, MA, 02155, USA.
13 Department of Psychiatry, Tufts University, Bacon Hall, Medford, MA, 02155, USA.
14 Department of Psychiatry, Bowles Center for Alcohol Studies, University of NC School of Medicine, Chapel Hill, NC, 27599-7178, USA.
15 Department of Pharmacology, Bowles Center for Alcohol Studies, University of NC School of Medicine, Chapel Hill, NC, 27599-7178, USA.
16 Department of Psychiatry and Human Behavior, Alpert Medical School, Brown University, Providence, RI, USA.
17 Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA.
18 Department of Psychology, University of Cambridge, Downing Street, Cambridge, CB2 3EB, UK.
19 MRC and Wellcome Trust Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, CB2 3EB, UK.