1 Laboratory of Gastrointestinal Tumor Epigenetics and Genomics, Department of Gastrointestinal Surgery, Cancer Center and State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.
2 Laboratory of Gastrointestinal Tumor Epigenetics and Genomics, Department of Gastrointestinal Surgery, Cancer Center and State Key Laboratory of Biotherapy, and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China. Electronic address: hjunhong@scu.edu.cn.