1. Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
2. Department of Clinical Laboratory, Children’s Hospital of Soochow University, Suzhou, Jiangsu, China
3. Department of Pathology, Changshu Hospital of Affiliated to Nanjing University of Chinese Medicine, Changshu, Jiangsu, China
4. Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
5. Jiangsu Key Laboratory of Clinical Immunology, Soochow University, Suzhou, Jiangsu, China
6. Jiangsu Key Laboratory of Gastrointestinal Tumor Immunology, Suzhou, Jiangsu, China.