1. State Key Laboratory of Oncogenes and Related Genes; Key Laboratory of Gastroenterology & Hepatology; Ministry of Health; Division of Gastroenterology and Hepatology; Renji Hospital; School of Medicine; Shanghai Jiao Tong University; Shanghai Cancer Institute; Shanghai Institute of Digestive Disease; Shanghai China
2. Liver Research Center & Clinical Epidemiology and EBM Unit; Beijing Friendship Hospital; Capital Medical University; Beijing China