1. Department of Communication Science, VU University Amsterdam, Amsterdam, The Netherlands
2. Institute of Mass Communication and Media Research, University of Zurich, Zurich, Switzerland
3. Department Human-Computer-Media, University of Würzburg, Würzburg, Germany
4. Hanover University of Music, Drama, and Media, Hanover, Germany
5. Department of Media and Communication Studies, University of Mannheim, Mannheim, Germany
6. Wink Stanzwerkzeuge, Neuenhaus, Germany
7. Energy Enterprise, Bern, Switzerland
8. Department of Social Research, University of Helsinki, Helsinki, Finland
9. VTT Technical Research Centre of Finland, Espoo, Finland
10. Department of Pervasive Computing, Tampere University of Technology, Tampere, Finland
11. Faculty of Science and Technology, University Fernando Pessoa, Porto, Portugal
12. Faculty of Human and Social Sciences, University Fernando Pessoa, Porto, Portugal