[1] Chengdu Univ Tradit Chinese Med, Sch Nursing, 37 Shierqiao Rd, Chengdu, Peoples R China
[2] Sichuan Nursing Vocat Coll, Dept Nursing, Chengdu, Peoples R China
[3] Chengdu Univ Tradit Chinese Med, Nursing Dept, Affiliated Hosp, Chengdu, Peoples R China
[4] Chengdu Univ Tradit Chinese Med, Ctr Prevent Treatment Dis, Affiliated Hosp, Chengdu, Peoples R China