[1
]
Department of Social Medicine and Health Management, Xiangya School of Public Health,
Central South University, 110 Xiangya Road, Changsha, Hunan, 410078, China. Electronic
address: 186911057@csu.edu.cn.
[2
]
Department of Social Medicine and Health Management, Xiangya School of Public Health,
Central South University, 110 Xiangya Road, Changsha, Hunan, 410078, China. Electronic
address: 176911065@csu.edu.cn.
[3
]
Department of Social Medicine and Health Management, Xiangya School of Public Health,
Central South University, 110 Xiangya Road, Changsha, Hunan, 410078, China. Electronic
address: qiudan@csu.edu.cn.
[4
]
Department of Social Medicine and Health Management, Xiangya School of Public Health,
Central South University, 110 Xiangya Road, Changsha, Hunan, 410078, China. Electronic
address: xiaosy@csu.edu.cn.