1. Department of Anatomy, School of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
2. Department of Pathology, The First Clinical Medical School of Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
3. Department of Pathology, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, Heilongjiang 157000, P.R. China
4. Department of Research Platform, Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
5. Office of Educational Administration, Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
6. Department of Asset Management, Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
7. Department of Pathology, School of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, Heilongjiang 157011, P.R. China
8. Department of Orthopedics, The Second Affiliated Hospital of Mudanjiang Medical University, Mudanjiang, Heilongjiang 157010, P.R. China