[1] Zhejiang Univ, Coll Med, Affiliated Hosp 1, State Key Lab Diagnosis & Treatment Infect Dis, Hangzhou 310003, Zhejiang, Peoples R China
[2] Zhejiang Prov Peoples Hosp, Hangzhou 310014, Zhejiang, Peoples R China
[3] Hangzhou First Peoples Hosp, Hangzhou 310006, Zhejiang, Peoples R China
[4] Zhejiang Hosp, Hangzhou 310013, Zhejiang, Peoples R China
[5] Hangzhou Third Peoples Hosp, Hangzhou 310009, Zhejiang, Peoples R China