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