1. HCI Games Group, Stratford School of Interaction Design and Business, University of Waterloo, Canada
2. Stratford School of Interaction Design and Business, University of Waterloo, Canada and HCI Games Group, University of Waterloo, Canada
3. Insight Centre, School of Computer Science, University College Dublin, Ireland
4. Stratford School of Interaction Design and Business, University of Waterloo, Canada
5. Stratford School of Interaction Design and Business, University of Waterloo, Canada and HCI Games Group, Stratford School of Interaction Design and Business, University of Waterloo, Canada