1. i_mBODY Lab, DEI Interactive Systems Group, Department of Computer Science and Engineering, Universidad Carlos III de Madrid, Spain
2. i_mBODY Lab, DEI Interactive Systems Group, Department of Computer Science and Engineering, Universidad Carlos III de Madrid, Spain and Department of Psychology, University of Zurich, Switzerland
3. Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Spain
4. Johan Skytte Institute of Political Studies, University of Tartu, Estonia
5. Department of Computer Science and Engineering, Universidad Carlos III de Madrid, Spain and UCL Interaction Centre, University College London, United Kingdom