1 Research Unit "Neurobehavioral Mechanisms and Endophenotypes of Addictive Behavior", Department of Psychobiology, Faculty of Psychology, University of Valencia, Valencia, Spain.
2 School of Pharmacy, University of Camerino, Camerino, Italy.
3 Department of Psychology, University of Cambridge, Cambridge, United Kingdom.
4 Institute of Psychopharmacology, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany.