广州市医学重点学科建设项目穗卫科教[2016]27号;广州市"121人才梯队工程"后备人才项目穗人社发[2011]167号 Fund program: Guangzhou Key Medical Disciplines and Specialities of Occupational and Environmental HealthSui Health Science 27[2017];The 121 Talent Program of GuangzhouSui Human Development and Reform Commission 167[2011]