Dr. Lin Lin is a Professor of Department of Otorhinolaryngology-Head and Neck Surgery, Huashan Hospital of Fudan University, Shanghai, China. He is Member of Otorhinolaryngology Commission of Integrated Traditional and Western Medicine in Shanghai; Member of allergy commission in Shanghai; Member of Specialist Commission of Allergy of Integrated Traditional and Western Medicine; Member of commission of Shanghai Otorhinolaryngology Doctor Association; Tutor of Problem-Based Learning program; Editorial board member of Chinese Journal of Otorhinolaryngology of Integrated Traditional and Western Medicine and Chinese Journal of Allergy and Clinical Immunology; Reviewers of many Scientific Citation Index journals (including Allergy, International Forum of Allergy and Rhinology, American Journal of Rhinology and Allergy, Allergy, Asthma and Immunology Research, International Archives of Allergy and Immunology, Journal of Asthma and Allergy, Annals of Otology, Rhinology and Laryngology, etc.)