1 Section of Neurosurgery, Department of Clinical Neurosciences, Foothills Medical Centre, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
2 Department of Pathology, Intelligent Pathology Institute, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China.
3 Department of Radiation Oncology, Tom Baker Cancer Center, Foothills Medical Centre, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.