1. Departments of Orthopaedic Surgery, Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
2. Department of Orthopaedics National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
3. Department of Orthopaedics The First Hospital of China Medical University Shenyang China
4. Division of Translational Medicine and Human Genetics Perelman School of Medicine, University of Pennsylvania Philadelphia PA USA
5. Department of Radiation Oncology, Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
6. Department of Neurosurgery Sun Yat‐Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Guangzhou China