1. Electrical Engineering, Mathematics and Computer Science (EEMCS), University of Twente, Netherlands
2. Faculty of Engineering Technology, Interaction Design Research Group, University of Twente, Netherlands
3. Faculty of Engineering Technology, Systems Engineering and Multidisciplinary Design, University of Twente, Netherlands
4. Roessingh Research and Development, Netherlands
5. Faculty of Electrical Engineering, Mathematics and Computer Science, Human Media Interaction group, University of Twente, Netherlands