Cui Kong

Nursing Department, Affiliated Hospital of Jining Medical University, Jining, P. R. China

Jianwei Zhou

Clinical Laboratory, Affiliated Hospital of Jining Medical University, Jining, P. R. China

Li Xu

Nursing Department, Affiliated Hospital of Jining Medical University, Jining, P. R. China

Yuqin Chen

Nusing School, Jining Medical University, Jining, P. R. China

Zhongyun Wang

Nursing Department, Affiliated Hospital of Jining Medical University, Jining, P. R. China

Xianghua Hou

Nursing Department, Affiliated Hospital of Jining Medical University, Jining, P. R. China