[1] Chengdu Univ Tradit Chinese Med, Coll Nursing, Chengdu, Peoples R China
[2] Dazhou Vocat & Tech Coll, Dazhou, Sichuan, Peoples R China
[3] Chengdu Fifth Peoples Hosp, Chengdu, Sichuan, Peoples R China
[4] Sichuan Coll Tradit Chinese Med, Sch Clin Med, Mianyang, Peoples R China
[5] Chengdu Vocat & Tech Coll, Chengdu, Sichuan, Peoples R China
[6] Chengdu Univ Tradit Chinese Med, Coll Nursing, 1166 Liutai Rd, Chengdu 611137, Sichuan, Peoples R China