1. Department of Pathology, Basic Medical College Weifang Medical University Weifang China
2. Department of Human Anatomy, Basic Medical College Weifang Medical University Weifang China
3. Department of Oncology, Clinical Medical College Weifang Medical University Weifang China
4. Medicine Research Center Weifang Medical University Weifang China
5. College of Nursing Weifang Medical University Weifang China