1. Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital and Chang Gung University, Taoyuan City 333, Taiwan
2. Clinical Metabolomics Core Laboratory, Linkou Chang Gung Memorial Hospital and Chang Gung University, Taoyuan City 333, Taiwan
3. Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London W2 1NY, UK
4. School of Clinical Medicine, University of Cambridge, Cambridge CB2 0SP, UK
5. The Roger Williams Institute of Hepatology, Foundation for Liver Research, London SE5 9NT, UK
6. Faculty of Life Sciences & Medicine, King’s College London, London SE5 8AF, UK