[1] Chengdu Univ Tradit Chinese Med, Coll Nursing, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, Hosp Chengdu Off Peoples Govt Tibetan Autonomous R, West China Hosp, Tibet Chengdu Branch Hosp, Chengdu, Sichuan, Peoples R China
[3] Dazhou Vocat & Tech Coll, Coll Nursing, Dazhou, Sichuan, Peoples R China
[4] Chengdu Univ Tradit Chinese Med, Coll Nursing, 1166 Liutai Rd, Chengdu 611137, Sichuan, Peoples R China