1. Department of Social Medicine, School of Public Health, Harbin Medical University, No.157 Baojian Road, Nangang District, Harbin, Heilongjiang, 150081, China,
2. Department of Health Policy and Hospital Management, School of Public Health, Harbin Medical University, No.157 Baojian Road, Nangang District, Harbin, Heilongjiang, 150081, China,
3. Research Institute of Health Development Strategies, Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, 130 Dong An Road, Shanghai, 200032, China and
4. Section of Scientific Research of the Second Affiliated Hospital of Hainan Medical University, No.48 Baishuitang Road, Xiuying District, Haikou, Hainan, 570100, China