深圳市卫生计生系统科研项目SZFZ2017025;深圳市医疗卫生三名工程SZSM201811093;罗湖区教育卫生系统软科学研究计划项目201636 Fund program: Shenzhen Health Family Planning System Research Project, ChinaSZFZ2017025;Sanming Project of Medicine in ShenzhenSZSM201811093;Soft Science Research Project of Education and Health System in Luohu District of Shenzhen, China201636