1. School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
2. Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China
3. Department of Gastroenterology, Wuxi No. 2 People’s Hospital (Jiangnan University Medical Center), Wuxi 214002, China