1 Behavioral Neuroscience Research Branch Intramural Research Program, National Institute on Drug Abuse (NIDA), National Institutes of Health (NIH), Baltimore, MD, United States.
2 School of Psychology, Sussex Neuroscience, University of Sussex, Falmer, United Kingdom.
3 Department of Molecular and Cellular Neurobiology, Center for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, Netherlands.