1. Key Laboratory of Molecular Biology in High Cancer Incidence Coastal Chaoshan Area of Guangdong Higher Education Institutes; Shantou University Medical College; Shantou Guangdong 515041 P. R. China
2. Department of Biochemistry and Molecular Biology; Shantou University Medical College; Shantou Guangdong 515041 P. R. China
3. Key Laboratory of Intelligent Information Processing, Advanced Computer Research Center, State Key Laboratory of Computer Architecture, Institute of Computing Technology; Chinese Academy of Sciences; Beijing 100190 P. R. China
4. Departments of Oncology Surgery, Shantou Central Hospital; Affiliated Shantou Hospital of Sun Yat-Sen University; Shantou Guangdong 515041 P. R. China
5. Institute of Oncologic Pathology; Shantou University Medical College; Shantou Guangdong 515041 P. R. China