1. Di Dong is a PhD student in health services and systems research at the Duke–National University of Singapore (NUS) Graduate Medical School.
2. Marcel Bilger is an assistant professor in the Health Services and Systems Research Program at the Duke-NUS Graduate Medical School.
3. Rob M. van Dam is an associate professor in the Saw Swee Hock School of Public Health, National University of Singapore.
4. Eric A. Finkelstein ( ) is a professor in the Health Services and Systems Research Program at the Duke-NUS Graduate Medical School and a research professor at the Duke Global Health Institute, Duke University, in Durham, North Carolina.