Zhejiang University - National Clinical Research Center for Child Health, Zhejiang University - National Clinical Research Center for Child Health, Zhejiang University - National Clinical Research Center for Child Health, Yinzhou District Center for Disease Control and Prevention - Department of Chronic Disease and Health Promotion, Yinzhou District Center for Disease Control and Prevention - Department of Chronic Disease and Health Promotion, Yinzhou District Health Bureau of Ningbo, Zhejiang University - Department of Public Health, Zhejiang University - Department of Public Health, Zhejiang Provincial Center for Disease Control and Prevention - Institute of Tuberculosis Control, University of Southern Mississippi - School of Health Professions, University of Georgia, Zhejiang University - Department of Epidemiology & Bio-Statistics and Boston University - Department of Epidemiology