Lanzhou University - Key Laboratory of Digestive System Tumors of Gansu Province, Northeast Normal University, Yuzhang Normal University, Lanzhou University - Key Laboratory of Digestive System Tumors of Gansu Province, Southern Medical University, Northeast Normal University, South China University of Technology, Nanchang Hangkong University, South China University of Technology and Lanzhou University - Key Laboratory of Digestive System Tumors of Gansu Province