1. Department of Ultrasonic The Second Xiangya Hospital of Central South University Changsha China
2. Research Center of Ultrasonography The Second Xiangya Hospital of Central South University Changsha China
3. Department of Gastroenterology Fifth Affiliated Hospital Zhengzhou University Zhengzhou China
4. Department of Otorhinolaryngology‐Head and Neck surgery The first Hospital Hunan University of Chinese Medicine Changsha China
5. Department of Gastroenterology The Second Xiangya Hospital of Central South University Changsha China
6. Department of Life Science McMaster University Hamilton Ontario Canada
7. Guangdong Provincial Key Laboratory of Regional Immunity and Diseases Shenzhen China
8. State Key Laboratory of Respiratory Disease Allergy Division at Shenzhen University Institute of Allergy & Immunology Shenzhen University School of Medicine Shenzhen China