[1] Nanjing Univ, Nanjing Drum Tower Hosp, Affiliated Hosp, Med Sch,Dept Infect Dis, 321 Zhongshan Rd, Nanjing 210008, Jiangsu, Peoples R China
[2] Nanjing Univ, Inst Viruses & Infect Dis, Nanjing, Jiangsu, Peoples R China
[3] Soochow Univ, Affiliated Infect Dis Hosp, Dept Infect Dis, Suzhou, Jiangsu, Peoples R China