1. Center for Clinical Spectroscopy, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
2. Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
3. Department of Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
4. St Luke’s Radiation Oncology Associates, St Luke’s Regional Cancer Center, and Whiteside Institute for Clinical Research/University of Minnesota Duluth, Duluth, Minnesota, USA
5. Center for Neuro-Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
6. Department of Radiology, Brigham and Women’s Hospital, Harvard Medical College, Boston, Massachusetts, USA