1 The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China.
2 The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China. Electronic address: lyxu@stu.edu.cn.