1. Oncology Department, The First Affiliated Hospital, Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, Jiangsu, PR China
2. Hepatobiliary Center, The First Affiliated Hospital, Nanjing Medical University, Jiangsu, PR China
3. Department of Nutrition, Third Military Medical University Daping Hospital & Research Institute of Surgery, Chongqing 400042, Sichuan, PR China
4. School of Public Health, Guizhou Medical University, Guiyang, PR China
5. Department of General Surgery, The First Affiliated Hospital, Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, Jiangsu, PR China