1. Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
2. Department of Gastroenterology, Jinan City People’s Hospital, Jinan, Shandong, PR China
3. Laboratory of Translational Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
4. Robot Engineering Laboratory for Precise Diagnosis and Therapy of GI Tumor, Qilu Hospital of Shandong University, Jinan, Shandong, PR China
5. Department of Gastroenterology, Dezhou People’s Hospital, Dezhou, Shandong, PR China