[1] Shanxi Bethune Hosp, Lymphat Oncol Dept, Taiyuan, Shanxi, Peoples R China
[2] Shanxi Bethune Hosp, Oncol Ctr, Taiyuan, Shanxi, Peoples R China
[3] Shanxi Univ Tradit Chinese Med, Sch Nursing, Taiyuan, Shanxi, Peoples R China
[4] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Geriatr, Wuhan, Hubei, Peoples R China
[5] Shanxi Bethune Hosp, Nursing Dept, Taiyuan, Shanxi, Peoples R China