国家卫生和计划生育委员会2014重点建设专科项目WJWYA-2014-001;首都卫生发展科研专项项目2011-2018-09;北京市卫生和计划生育委员会科技成果和适宜技术推广项目TG-2014-01National Key Subject Construction ProjectWJWYA-2014-001;Capital Health Research and Development of Special2011-2018-09;Scientific and Technological Achievements and Promotion of Appropriate Technology Project of Beijing Municipal Commission of Health and Family PlanningTG-2014-01