Affiliation: | 1. Department of Gastroenterology, the Second Hospital, Zhengzhou University, Zhengzhou, China;2. State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University, Shenzhen, China;3. ENT Institute of Shenzhen University, Longgang Central Hospital, ENT Hospital, Shenzhen ENT Institute, Shenzhen, China |