1. School of Public Health, Development Research Center of Medical Science and Society, Chongqing Medical University, Chongqing, P.R. China
2. DaCHE - Danish Centre for Health Economics Department of Public Health, University of Southern Denmark, Odense, Denmark
3. Patient Safety Translational Research Centre, Centre for Health Policy, Institute of Global Health Innovation, Imperial College London
4. Health Economics and Policy Unit, Department of Epidemiology and Health Systems, Centre for Primary Care and Public Health (Unisanté), University of Lausanne, Switzerland
5. Department of Health Policy, London School of Economics and Political Science, London, UK