[1] Shantou Univ Med Coll, Shantou, Peoples R China
[2] Third Peoples Hosp Chengdu, Dept Nursing, Chengdu, Peoples R China
[3] Shantou Univ Med Coll, Sch Nursing, Shantou, Peoples R China
[4] Hlth Commiss Guangdong Prov, Guangzhou, Peoples R China
[5] Guangdong Nurses Assoc, Guangzhou, Peoples R China
[6] Jinan Univ, Guangzhou, Peoples R China