1. Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou China
2. The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou China
3. Department of Gastroenterology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou China
4. Institute of Oncologic Pathology, Shantou University Medical College, Shantou China