[He, Yulian; Liu, Bo; Tang, Wen; Yuan, Runzhi] Univ South China, Affiliated Hosp 1, Dept Orthoped Ctr, Hengyang Med Sch, Hengyang City 421001, Hunan Prov, Peoples R China.
[Wang, Yiqi] Univ South China, Sch Nursing, Hengyang City 421001, Hunan Prov, Peoples R China.
[Zhou, Yanhui] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Nursing Dept, 69 Chuanshan Rd, Hengyang City 421001, Hunan Prov, Peoples R China.
[Huang, Huayong; Huang, HY] Univ South China, Affiliated Hosp 1, Dept Emergency Med Ctr, Hengyang Med Sch, 69 Chuanshan Rd, Hengyang City 421001, Hunan Prov, Peoples R China.