1. Department of Oncology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
2. Department of Gastroenterology, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
3. Pôle Sino-Français de Recherches en Sciences du Vivant et Génomique, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China