Authors
Tian-Liang Xu
Department of Nursing, Henan Medical College, Zhengzhou, China
Jiang-Nan Zhao
Department of Nursing, Henan Medical College, Zhengzhou, China
Yan-Yan Zhang
Department of Nursing, Henan Medical College, Zhengzhou, China
Gai-Li Jing
Medical College, Zhengzhou University of Industry Technology, Zhengzhou, China