[1] Guangzhou Med Univ, Emergency Dept, Affiliated Hosp 3, Guangzhou, Peoples R China
[2] Guangzhou Eighth Peoples Hosp, Intens Care Unit Infect Dis, Guangzhou, Peoples R China
[3] Guangzhou Med Univ, Dept Infect Dis, Affiliated Hosp 3, Guangzhou, Peoples R China
[4] Guangzhou Eighth Peoples Hosp, Dept Infect Dis, Guangzhou, Peoples R China