1. Department of Pathology, School of Basic Medicine Anhui Medical University Hefei P.R. China
2. Department of Pathology, The Affiliated Suzhou Hospital of Nanjing Medical University Suzhou Municipal Hospital Suzhou P.R. China
3. Department of Neurosurgery The First Affiliated Hospital of Anhui Medical University Hefei P.R. China
4. Institute of Pathology University Medical Center Göttingen Göttingen Germany