1. Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
2. Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China
3. Department of Gastroenterology, The First People's Hospital of Yunnan Province, Kunming 65003, China
4. Department of Ultrasound Imaging, 306 Hospital of PLA, Beijing 100101, China
5. Institute of Immunology and Molecular Medicine, Jining Medical College, Jining 272067, China
6. Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York 10029, NY, USA