四川省卫生和计划生育委员会人才服务中心委托项目319020401;四川省医院管理和发展研究中心重点项目SCYG2018-02;Project Commissioned by the Talent Service Center of Sichuan Provincial Health and Family Planning Commission319020401;Key Project of Sichuan Provincial Hospital Management and Development Research CenterSCYG2018-02