1. Gastrointestinal Division; Shanghai Jiaotong University School of Medicine Renji Hospital, Shanghai Institute of Digestive Diseases; Shanghai
2. Gastrointestinal Surgical Division; Shanghai Jiaotong University School of Medicine Renji Hospital; Shanghai
3. Gastrointestinal Division; Shanghai Jiaotong University School of Medicine No. 3 People's Hospital; Shanghai
4. Shanghai Cancer Institute; Shanghai Jiaotong University School of Medicine Renji Hospital; Shanghai
5. Laboratory of Molecular Oncology, Peking University School of Oncology; Beijing Institute for Cancer Research; Beijing; China