[1] Fudan Univ, Sch Publ Hlth, Dept Epidemiol, Shanghai 200032, Peoples R China
[2] Fudan Univ, Key Lab Publ Hlth Safety, Minist Educ, Shanghai, Peoples R China
[3] Taizhou City Ctr Dis Control & Prevent, Taizhou City, Peoples R China
[4] Univ Hawaii, John A Burns Sch Med, Dept Trop Med Med Microbiol & Pharmacol, Honolulu, HI 96822 USA
[5] Emory Univ, Dept Epidemiol, Atlanta, GA 30322 USA
[6] Emory Univ, Rollins Sch Publ Hlth, Hubert Dept Global Hlth, Atlanta, GA 30322 USA
[7] Emory Univ, Sch Med, Dept Infect Dis, Atlanta, GA 30322 USA