1. The Department of Gastroenterology, First Affiliated Hospital of Soochow University, Suzhou, China
2. The Department of Gastroenterology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
3. The Department of Pathology, Shantou University Medical College, Shantou, China
4. Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou, China
5. The Department of Pathology, Shenzhen Second People’s Hospital, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China