| Authors: |
Xu QY; Department of Epidemiology and Health Statistics,School of Public Health,Southwest Medical University, Luzhou,Sichuan 646000,China., Li H; Department of Epidemiology and Health Statistics,School of Public Health,Southwest Medical University, Luzhou,Sichuan 646000,China., Zhou ZX; Office of Immunization Program,Neijiang Center for Disease Control and Prevention,Neijiang,Sichuan 641100,China., Yan R; Department of Epidemiology and Health Statistics,School of Public Health,Southwest Medical University, Luzhou,Sichuan 646000,China., Xia H; Department of Epidemiology and Health Statistics,School of Public Health,Southwest Medical University, Luzhou,Sichuan 646000,China., Lu L; No.1 Institute for Disease Control and Prevention,Zigong Center for Disease Control and Prevention, Zigong,Sichuan 643000,China., Yu Y; Administration Office,Jinjiang Center for Disease Control and Prevention,Jinjiang,Fujian 362200,China., Ye YL; Department of Epidemiology and Health Statistics,School of Public Health,Southwest Medical University, Luzhou,Sichuan 646000,China. |