[1] Nanjing Univ Chinese Med, Affiliated Hosp, Hosp Nanjing 2, Dept Infect Dis, Nanjing 210003, Peoples R China
[2] Publ Hlth & Therapy Ctr Nanjing, Nanjing 211113, Peoples R China
[3] Sun Yat Sen Univ, Sch Med, Ctr Infect & Immun Study, MOE Key Lab Trop Dis Control, Shenzhen 518107, Peoples R China