1. Key State Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, Yunnan, China
2. Faculty of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
3. Yunnan Institute of Digestive Disease, Department of Digestive Diseases, The First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan, China
4. Institute of Microbiology, Chinese Academy of Science, Beijing, China
5. Department of Pathology, The First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan, China