Yingshun Xu (School of Biomedical Engineering and Technology, Tianjin Medical University), Naitao Xu (MEMS Research and Development Center, China Key System Integrated Circuit Co., Ltd.), Yanju Yang (School of Biomedical Engineering and Technology, Tianjin Medical University), Jin Cheng (School of Optoelectronic Engineering, Xi'an Technological University), Lanping Zhu (Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital), Fengqingyang Zeng (School of Biomedical Engineering and Technology, Tianjin Medical University), Shuaikun Wang (School of Biomedical Engineering and Technology, Tianjin Medical University), Yuzhu Cao (School of Biomedical Engineering and Technology, Tianjin Medical University), Xin Chen (Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital), Suogang Wang (School of Biomedical Engineering and Technology, Tianjin Medical University), Shujing Liu (School of Biomedical Engineering and Technology, Tianjin Medical University)