1. Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, China
2. Department of Rheumatism, Nanfang Hospital, Southern Medical University, Guangzhou, China
3. Division of Vascular Interventional Radiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
4. Department of Oncology, The First Affiliated Hospital of Chongqing Medical University, China