[Chen, Yongyi; Tang, Xinhui; Liu, Xiangyu; Wang, Yuhua; Li, Xuying; Liu, Huayun; Zhou, Lianqing] Cent South Univ, Xiangya Sch Med, Affiliated Canc Hosp, Dept Nursing,Hunan Canc Hosp, Changsha 410013, Hunan, Peoples R China.
[Wu, Yanping; He, Pingping] Univ South China, Sch Nursing, Hengyang 421001, Hunan, Peoples R China.
[Yu, Juping] Univ South Wales, Fac Life Sci & Educ, Pontypridd CF37 1DL, M Glam, Wales.