1. Sauder School of Business, University of British Columbia, Vancouver, British Columbia V6T 1Z2, Canada;
2. School of Information Management and Engineering, Shanghai University of Finance and Economics, 200083 Shanghai, China;
3. Faculty of Business and Economics, University of Hong Kong, Pokfulam, Hong Kong, China;
4. Providence Health Care and Vancouver Coastal Health, Vancouver, British Columbia V6E 3V6, Canada