[1] First Hosp Jilin Univ, Phys Examinat Ctr, Changchun, Peoples R China
[2] First Hosp Jilin Univ, Urol Ward, Changchun, Peoples R China
[3] First Hosp Jilin Univ, Cadre Ward, Changchun, Peoples R China
[4] First Hosp Jilin Univ, Ctr Cardiovasc Med, Changchun, Peoples R China
[5] Zhengzhou Univ, Affiliated Hosp 1, Neurointens Care Unit, Zhengzhou, Peoples R China
[6] Jilin Univ, Sch Nursing, Changchun 130021, Peoples R China