[1] Univ Elect Sci & Technol China, Sichuan Prov Peoples Hosp, Emergency Med Ctr, Chengdu, Sichuan, Peoples R China
[2] Chinese Acad Med Sci, Hainan Med Univ, Res Unit Isl Emergency Med, Haikou, Hainan, Peoples R China
[3] Hainan Med Univ, Key Lab Emergency & Trauma, Minist Educ, Haikou, Hainan, Peoples R China
[4] Huazhong Univ Sci & Technol, Sch Publ Hlth, Tongji Med Coll, Dept Social Med & Hlth Management, Wuhan, Hubei, Peoples R China
[5] Hunan Normal Univ, Hunan Prov Peoples Hosp, Affiliated Hosp 1, Dept Emergency Med, Changsha, Hunan, Peoples R China
[6] Hainan Med Univ, Sch Publ Hlth, Haikou, Hainan, Peoples R China
[7] Hainan Med Univ, Affiliated Hosp 2, Dept Joint Surg, Haikou, Hainan, Peoples R China
[8] Hainan Med Univ, Emergency & Trauma Coll, Haikou, Hainan, Peoples R China
[9] Clin Res Ctr Emergency & Crit Care Hunan Prov, Changsha, Hunan, Peoples R China