Affiliation: | 1. Division of Geriatrics, Center for Medical Stem Cell Biology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China;2. Upper Airways Research Laboratory, ENT Department, Ghent University, Ghent, Belgium;3. Department of Oto-Rhino-Laryngology, West China Hospital, Sichuan University, Chengdu, China |