1. Pathology Diagnosis Center, The First Clinical Medical School of Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
2. Key Laboratory of Cancer Prevention and Treatment of Heilongjiang Province, Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
3. Institute of Stem Cells, Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
4. Department of Neurology, Hongqi Hospital of Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
5. Department of Laboratory Medicine, Hongqi Hospital of Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
6. Department of Anatomy, School of Basic Medical Sciences, Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
7. Institute of Neural Tissue Engineering, Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China
8. Department of Histology and Embryology, School of Basic Medical Sciences, Mudanjiang Medical College, No. 3 Tongxiang Street, Aimin District, Mudanjiang, Heilongjiang 157011, P.R.China