1. Department of Health Research Methods, Evidence, and Impact; McMaster University; Hamilton Ontario Canada
2. China Center for Health Economic Research; Peking University; Beijing China
3. School of Public Health; University of Alberta; Edmonton Alberta Canada
4. National School of Development; Peking University; Beijing China
5. Department of Medicine; McMaster University; Hamilton Ontario Canada
6. School of Pharmaceutical Science; Peking University; Beijing China
7. School of International Pharmaceutical Business; China Pharmaceutical University; Nanjing China