[Liao, Xiaoli] Cent South Univ, Xiangya Nursing Sch, Changsha, Hunan, Peoples R China.
[Li, Yamin; Liao, Xiaoli] Cent South Univ, Xiangya Hosp 2, Clin Nursing Teaching & Res Sect, Changsha, Hunan, Peoples R China.
[Chen, Miao] Hunan Univ Chinese Med, Affiliated Hosp 1, Changsha, Hunan, Peoples R China.
[Li, Yamin; Li, YM] Cent South Univ, Xiangya Hosp 2, 139 Renmin Middle Rd, Changsha 410011, Hunan, Peoples R China.