1. Department of Communicable Disease Control and Prevention, Lanxi Municipal Center for Disease Control and Prevention , Jinhua, Zhejiang Province , People's Republic of China
2. Department of Tuberculosis Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention , Hangzhou, Zhejiang Province , People's Republic of China
3. Department of Public Health, School of Medicine, Zhejiang University , Hangzhou, Zhejiang Province , People's Republic of China
4. Department of Epidemiology, School of Public Health , Boston University, Boston, MA , USA
5. Key Laboratory of Vaccine, Prevention and Control of Infectious Disease of Zhejiang Province , Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang Province , People's Republic of China