1. School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
2. Engineering Training Center, Chengdu Aeronautic Polytechnic, Chengdu, China
3. Department of Gastroenterology and Hepatology, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, West China Hospital, Sichuan University, Chengdu, China
4. School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China