[1] Yangzhou Univ, Sch Nursing, Jiangyang Rd 136, Yangzhou, Jiangsu, Peoples R China
[2] Jiangsu Key Lab Integrated Tradit Chinese & Weste, Yangzhou, Jiangsu, Peoples R China
[3] Yangzhou Univ, Dept Nursing, Affiliated Hosp, Yangzhou, Jiangsu, Peoples R China
[4] Univ Hull, Fac Hlth Sci, Kingston Upon Hull, N Humberside, England