1 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Monell Chemical Senses Center, Philadelphia, PA, USA; Department of Psychology, University of Pennsylvania, Philadelphia, PA, USA.
2 Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Donders Institute for Brain, Cognition, and Behavior and Center for Language Studies, Radboud University, Nijmegen, The Netherlands; Department of Psychology, Stockholm University, Stockholm, Sweden.
3 Department of Psychology, Stockholm University, Stockholm, Sweden; Swedish Collegium for Advanced Study, Uppsala, Sweden.