[1] Chongqing Med Univ, Univ Town Hosp, Dept Resp & Crit Med, Chongqing, Peoples R China
[2] Fourth Peoples Hosp Liaocheng, Child & Adolescent Psychiat, 47 Huayuan North Rd, Liaocheng, Shandong, Peoples R China
[3] Chongqing Med Univ, Off Acad Studies, Chongqing, Peoples R China
[4] Army Med Univ, Mil Med Univ 3, Sch Nursing, 30 Gaotanyan St, Chongqing, Peoples R China
[5] Army Med Univ, Mil Med Univ 3, Sch Nursing, 30 Gaotanyan St, Chongqing 400038, Peoples R China