1. Department of Psychology, Technische Universität Darmstadt, Darmstadt, Germany
2. School of Computing Science, University of Glasgow, Glasgow, Scotland
3. Graduate School of Media Design, Keio University, Yokohama, Japan
4. Computer and Information Sciences, University of Strathclyde, Glasgow, Scotland
5. Information Systems, Rhodes University, Grahamstown, Republic of South Africa
6. School of Computer Science, University of South Africa, Pretoria, Republic of South Africa
7. School of Design and Informatics, Abertay University, Dundee, Scotland