1. National Engineering Research Centre of Immunological Products, Department of Microbiology and Biochemical Pharmacy College of Pharmacy, Third Military Medical University Chongqing China
2. Department of Thoracic Surgery Second Affiliated Hospital of Kunming Medical University Yunnan China
3. Affiliated Hospital of North Sichuan Medical College Nanchong Sichuan China
4. Department of Gastroenterology XinQiao Hospital, Third Military Medical University Chongqing China