[Xie, Jianfei; Li, Xiaolian; Wu, Xiaoqi] Cent South Univ, Xiangya Nursing Sch, Changsha 410013, Hunan, Peoples R China.
[Wu, Xiaoxia; Xie, Jianfei; Liu, Lifang; Cui, Lina; Liu, Min; Liu, Jia] Cent South Univ, Xiangya Hosp 3, Changsha 410013, Hunan, Peoples R China.
[Wang, Zhimin] Univ South China, Hosp 2, Hengyang, Peoples R China.
[Cheng, Andy Sk] Hong Kong Polytech Univ, Dept Rehabil Sci, Hong Kong, Peoples R China.