[1] Peoples Hosp Changshou Dist, Dept Resp & Crit Care Med, Chongqing, Peoples R China
[2] Changshou Ctr Dis Control & Prevent, Chongqing, Peoples R China
[3] Chongqing Med & Pharmaceut Coll, Chongqing, Peoples R China
[4] Peoples Hosp Changshou Dist, Dept Infect Dis, Chongqing, Peoples R China
[5] Peoples Hosp Changshou Dist, Dept Lab Med, Chongqing, Peoples R China
[6] Peoples Hosp Changshou Dist, Dept Radiol, Chongqing, Peoples R China
[7] Peoples Hosp Changshou Dist, Dept Outpatient Serv, Chongqing, Peoples R China
[8] Peoples Hosp Changshou Dist, Chongqing, Peoples R China