1. Department of Gastroenterology; Changzheng Hospital; Second Military Medical University; Shanghai 200003 China
2. Chinese National Human Genome Center at Shanghai; Shanghai 201203 China
3. Third Department of Hepatic Surgery; Eastern Hepatobiliary Surgery Hospital; Second Military Medical University; Shanghai 200438 China
4. Department of Pathology; Eastern Hepatobiliary Surgery Hospital; Second Military Medical University; Shanghai 200438 China
5. Department of Pathology; Changzheng Hospital; Second Military Medical University; Shanghai 200003 China
6. The International Cooperation Laboratory on Signal Transduction of Eastern Hepatobiliary Surgery Institute; Second Military Medical University; Shanghai 200438 China