[1] Xiamen Univ, Zhongshan Hosp, Sch Med, Dept Pulm & Crit Care Med, Xiamen, Peoples R China
[2] Fujian Med Univ, Clin Coll 3, Fuzhou, Peoples R China
[3] Key Clin Specialty Fujian Prov, Fuzhou, Fujian, Peoples R China
[4] Zhongshan Hosp Xiamen Univ, Xiamen Univ, Sch Med, Dept Anesthesia, Xiamen, Peoples R China
[5] Zhongshan Hosp, Xiamen Univ, Sch Med, Dept Pulm & Crit Care Med, 201, Hubin Nan Rd, Xiamen 361004, Fujian, Peoples R China
[6] Fujian Med Univ, Clin Coll 3, 201, Hubin Nan Rd, Xiamen 361004, Fujian, Peoples R China
[7] Key Clin Specialty Fujian Prov, 201, Hubin Nan Rd, Xiamen 361004, Fujian, Peoples R China