[1] Anhui Med Univ, Dept Oncol, Hosp 2, Hefei, Anhui, Peoples R China
[2] Anhui Med Univ, Sch Clin Med 2, Hefei, Anhui, Peoples R China
[3] Univ Calif Irvine, Susan & Henry Samueli Coll Hlth Sci, Joe C Wen Sch Populat & Publ Hlth, Dept Hlth Soc & Behav, Irvine, CA USA
[4] Anhui Univ Chinese Med, Med Intens Care Unit, Affiliated Hosp 1, Hefei, Anhui, Peoples R China
[5] Anhui Med Univ, Dept Resp, Hosp 1, Hefei, Anhui, Peoples R China
[6] Dingyuan Cty Gen Hosp, Dept Med, Chuzhou, Peoples R China
[7] Anhui Med Univ, Sch Nursing, Hefei, Anhui, Peoples R China
[8] Southern Med Univ, Sch Clin Med 3, Guangzhou, Peoples R China
[9] Southern Med Univ, Dept Oncol, Shenzhen Hosp, Shenzhen, Guangdong, Peoples R China