Institution: | [1]National Center for Tuberculosis Control and Prevention, ChineseCenter for Disease Control and Prevention, Beijing 102206, China [2]Chongqing Institution of Tuberculosis Prevention and Treatment,Chongqing 400050, China [3]Liaoning Center for Disease Control and Prevention, Shenyang110005, China [4]Office of Epidemiology, Chinese Center for Disease Control andPrevention, Beijing 102206, China |