1. School of Nursing, Weifang University of Science and Technology, Weifang262700, P.R.China
2. School of Nursing, Weifang Medical University, Weifang261053, P.R.China
3. Department of Dermatology, Weifang People’s Hospital, Weifang261000, P.R.China
4. Department of Oncology, Weifang People’s Hospital, Weifang262700, P.R.China
5. School of Clinical Medicine, Weifang Medical University, Weifang261053, P.R.China