1. Department of Supply Chain Management, Hang Seng Management College, New Territories, Hong Kong
2. Joseph M. Katz Graduate School of Business, University of Pittsburgh, Pittsburgh, PA, USA
3. Veterans Engineering Resource Center, VA Pittsburgh Healthcare System, Pittsburgh, PA, USA
4. Veterans Engineering Resource Center, VA New England Healthcare System, Boston, MA, USA
5. Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, PA, USA
6. Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA