[1] Peking Union Med Coll, Sch Nursing, 33 Badachu Rd, Beijing 100144, Peoples R China
[2] Capital Med Univ, Natl Clin Res Ctr Mental Disorders, Beijing Anding Hosp, Beijing, Peoples R China
[3] Capital Med Univ, Beijing Key Lab Mental Disorders, Beijing Anding Hosp, Beijing, Peoples R China
[4] Beijing Huilongguan Hosp, Dept Nursing, Nandian North Rd, Beijing 100096, Peoples R China
[5] Peking Univ Sixth Hosp, Dept Nursing, 51 North Garden Rd, Beijing 100191, Peoples R China