1. Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
2. Utrecht University, Utrecht, The Netherlands
3. King's College London, London, United Kingdom
4. Georgia Tech, Atlanta, GA, USA
5. Ontario Tech University, Ontario, Canada
6. University of Oklahoma, Norman, OK, USA
7. University of Konstanz, Konstanz, Germany
8. Fraunhofer IGD, Darmstadt, Germany
9. Offenburg University, Offenburg, Germany
10. Tampere University, Tampere, Finland
11. Jönköping University, Jönköping, Sweden
12. Graz University of Technology, Graz, Austria
13. IBM Research, Cambridge, MA, USA
14. Eindhoven University of Technology, Eindhoven, The Netherlands