1. Department of Clinical Neuroscience, Karolinska Institutet , Stockholm , Sweden
2. Center for Cognitive and Computational Neuroscience, Karolinska Institutet , Stockholm , Sweden
3. Center for Music in the Brain, Department of Clinical Medicine, Aarhus University and The Royal Academy of Music Aarhus/Aalborg, Aarhus , Denmark
4. Hedonia Research Group, Department of Psychiatry, University of Oxford , Oxford , UK