1. Central Laboratory, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, Jiangsu Province, China
2. Suzhou Digestive Diseases and Nutrition Research Center, Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, Jiangsu Province, China
3. Department of Immunology, School of Biology and Basic Medical Sciences, Medical College, Soochow University, Suzhou, Jiangsu Province, China
4. Nanjing Municipal Government Hospital, Nanjing, Jiangsu Province, China