[Xu, Huilan; Wang, Rong] Cent South Univ, XiangYa Sch Publ Hlth, 238 Shangmayuanling Lane, Changsha 410001, Peoples R China.
[Duan, Gong Xiang; Pu, Yucui; Wang, Rong; Dong, Le; Liang, Cong] Univ South China, Sch Nursing, Hengyang, Peoples R China.
[Wu, Yuan Yuan] Wuxi Tongren Rehabil Hosp, Wuxi, Jiangsu, Peoples R China.
[Tan, Lingling] Univ South China, Affiliated Hosp 2, Hengyang, Peoples R China.