1. Department of Epidemiology and Biostatistics; MOE Key Laboratory of Modern Toxicology, School of Public Health, Nanjing Medical University; Nanjing China
2. Digestive Endoscopy Center; the First Affiliated Hospital of Nanjing Medical University; Nanjing China
3. Department of Hepatobiliary Surgery; Nantong Tumor Hospital; Nantong China
4. Department of Hepatobiliary Surgery; Xijing Hospital, The Fourth Military Medical University; Xi'an China
5. Department of Infection Diseases; Jiangsu Province Center for Disease Prevention and Control; Nanjing China
6. Institute of Digestive Endoscopy and Medical Center for Digestive Diseases, Second Affiliated Hospital of Nanjing Medical University; Nanjing China
7. Qidong Liver Cancer Research Institute; Qidong China
8. State Key Laboratory of Cancer Biology and Department of Cell Biology and Cell Engineering Research Center, The Fourth Military Medical University; Xi'an China
9. Section of Clinical Epidemiology; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University; Nanjing China
10. State Key Laboratory of Reproductive Medicine, Nanjing Medical University; Nanjing China