1 Department of Radiation Oncology, The Affiliated Cancer Hospital of Nanjing Medical University (Jiangsu Cancer Hospital) and Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, China.
2 Asian Liver Center and Department of Surgery, Stanford University School of Medicine, Stanford University, Standford, California.
3 Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
4 Department of Oncology, Northern Jiangsu People's Hospital, Yangzhou, China.