[1] Peking Univ Canc Hosp & Inst, Nursing Dept, Key Lab Carcinogenesis & Translat Res, Minist Educ Beijing, 52 Fucheng Rd, Beijing 100142, Peoples R China
[2] Peking Univ, Sch Nursing, Beijing, Peoples R China
[3] Peking Univ Canc Hosp & Inst, Dept Intervent Oncol, Key Lab Carcinogenesis & Translat Res, Minist Educ Beijing, Beijing, Peoples R China
[4] Peking Univ Canc Hosp & Inst, Pain Clin, Key Lab Carcinogenesis & Translat Res, Minist Educ, Beijing, Peoples R China