[1] Sichuan Univ, West China Hosp, Mental Hlth Ctr, 37 Guoxue Lane, Chengdu 610041, Peoples R China
[2] Sichuan Univ, West China Sch Nursing, Chengdu, Peoples R China
[3] Fourth Peoples Hosp Chengdu, Chengdu, Peoples R China
[4] Sichuan Univ, West China Hosp, Ctr Infect Dis, Chengdu, Peoples R China
[5] Peoples Hosp Zhaojue, Liangshan, Liangshan Yi Au, Peoples R China