1. Center for Functional Integrative Neuroscience, Aarhus University HospitalNørrebrogade 44, Building 30, 8000 Århus C, Denmark
2. Wellcome Trust Centre for Neuroimaging at University College London12 Queen Square, London WC1N 3BG, UK
3. Center for Social and Neural Systems, University of ZurichBlümlisalpstrasse 10, 8006 Zurich, Switzerland