[Zhu, Na; Gao, Hong] Univ South China, Affiliated Hosp 2, Hengyang Med Sch, Nursing Dept, Hengyang 421001, Peoples R China.
[Zhu, Na; Gao, Hong] Univ South China, Sch Nursing, Hengyang 421001, Peoples R China.
[Tang, Peng; Deng, Shuxiang; Yang, Fei; Tang, Yan] Univ South China, Sch Basic Med, Sch Publ Hlth, Hengyang Med Sch,Dept Epidemiol & Hlth Stat,Key La, Hengyang 421001, Peoples R China.
[Du, Can; Xu, Shuaishuai; Liu, Wenya; Shen, Minxue] Cent South Univ, Xiangya Sch Publ Hlth, Dept Social Med & Hlth Management, Hunan Prov Key Lab Clin Epidemiol, Changsha 410000, Peoples R China.
[Xiao, Xinhua; Yang, Fei] Univ South China, Affiliated Hosp 1, Hengyang Med Sch, Dept Metab & Endocrinol, Hengyang 421001, Peoples R China.