[1] Nanjing Univ, Nanjing Drum Tower Hosp, Affiliated Hosp, Dept Infect Dis,Med Sch, 321 Zhongshan Rd, Nanjing 210008, Jiangsu, Peoples R China
[2] Nanjing Univ, Inst Viruses & Infect Dis, Nanjing, Jiangsu, Peoples R China
[3] Nanjing Med Univ, Nanjing Drum Tower Hosp, Clin Coll, Dept Infect Dis, Nanjing, Jiangsu, Peoples R China
[4] Nanjing Univ Chinese Med, Nanjing Drum Tower Hosp, Clin Coll Tradit Chinese & Western Med, Dept Infect Dis, Nanjing, Jiangsu, Peoples R China