Published on in Vol 15 , No 10 (2013) :October
1 Department of Human Centered Design & Engineering , dub group , University of Washington , Seattle , WA , US
2 Sauder School of Business , University of British Columbia , Vancouver , BC , CA
3 Vancouver Coastal Health Research Institute , School of Population and Public Health , University of British Columbia , Vancouver , BC , CA
4 Media and Graphics Interdisciplinary Centre (MAGIC) , Department of Electrical and Computer Engineering , University of British Columbia , Vancouver , BC , CA