[Chen, Hong; Ou, Meijun] Cent South Univ, Hunan Canc Hosp, Affiliated Canc Hosp, Dept Head & Neck Surg,Xiangya Sch Med, Changsha, Peoples R China.
[Zhu, Lihui; Zhu, LH] Cent South Univ, Affiliated Canc Hosp, Xiangya Sch Med, Hunan Canc Hosp, Changsha, Peoples R China.
[Wang, Guifen] Cent South Univ, Xiangya Hosp 3, Changsha, Peoples R China.
[Xiao, Zhirui; Chen, Furong] Univ South China, Sch Nursing, Hengyang, Peoples R China.