1 Division of Surgical Oncology, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA.
2 Neurosurgery and Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
3 John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, USA.
4 State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, China.
5 Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA.
6 Division of Surgical Oncology, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA. Xwang30@mgh.harvard.edu.