[Pan, Rong-Jia; Wang, Man-Yi; Sun, Cai-Xia; Gui, Min; Li, Xiao-Shan; Wu, Fei; Zeng, Gu-Qing] Univ South China, Affiliated Hosp 1, Sch Nursing, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China.
[Gui, Si-Jie; Ni, Xiao-Yan] Cent South Univ, Xiangya Hosp 2, Changsha 410011, Hunan, Peoples R China.
[Lei, Xiu-Hong] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Hengyang 421001, Hunan, Peoples R China.
[Sun, Cai-Xia; Wu, Fei; Zeng, Gu-Qing] Joint Training Base Nursing Postgrad Univ South Ch, Intelligent Nursing Res Ctr Hunan Prov, Hengyang 421001, Hunan, Peoples R China.