[Zhao, L.] Cent S Univ, Xiangya Nursing Sch, Changsha, Hunan, Peoples R China.
[Zhao, L.] Univ South China, Sch Nursing, Heangyang, Peoples R China.
[Yan, J.] Xiangya Hosp 3, Dept Nursing, Changsha, Hunan, Peoples R China.
[Yang, G. -L.; Liu, Y.] Xiangya Hosp 3, Organ Transplantat Ctr, Tongzipo Rd 138, Changsha 410013, Hunan, Peoples R China.