1. School of Nursing, Weifang Medical University, Weifang, 261053, P.R.China
2. School of Life science and Technology, Weifang Medical University, Weifang, 261053, P.R.China
3. School of Nursing, Weifang University
of Science and Technology, Weifang, 262700, P.R.China
4. Department of Oncology, Weifang People\'s Hospital,
261000, P.R.China
5. School of Pharmacy, Weifang Medical University, Weifang, 261053, P.R.China