1. Department of Gastroenterology and Hepatology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing 100144, P.R. China
2. Department of Clinical Laboratory Diagnosis, The First Affiliated Hospital and Clinical Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, P.R. China
3. Department of Minimally Invasive Interventional Oncology, Caoxian People's Hospital, Heze, Shandong 274400, P.R. China
4. Department of Gastroenterology and Hepatology, The First Affiliated Hospital and Clinical Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, P.R. China
5. Department of Surgery, The First Affiliated Hospital and Clinical Medical College, Henan University of Science and Technology, Luoyang, Henan 471023, P.R. China