1. Department of Pathology & Key Laboratory of Xinjiang Endemic & Ethnic Diseases (Ministry of Education), Shihezi University School of Medicine, Shihezi, 832003, PR China
2. Department of Pathology, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, 832003, PR China
3. Department of Digestion, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, Xinjiang, 832003, PR China
4. Department of Clinical Medicine, North Sichuan Medical College, Nanchong, Sichuan, 637100, PR China
5. Department of Pathology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, PR China