1. Department of Gastroenterology, General Hospital of Ningxia Medical University, Yinchuan, China
2. Department of Pathology, Basic Medical School, Ningxia Medical University, Yinchuan, China
3. School of Information Engineering, Ningxia University, Ningxia, China
4. Department of Pediatric Surgery, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
5. Department of Pharmaceutical Sciences, Biomanufacturing Research Institute and Technological Enterprise (BRITE), North Carolina Central University, Durham, NC, USA