Institution: | 1. Department of Otorhinolaryngology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China;2. Department of Dermatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China;3. Department of Pediatrics and Microbiology-Immunology, Georgetown University Medical Center, Washington, DC, USA;4. Department of Internal Medicine, Ohio State University College of Medicine and Wexner Medical Centre, Columbus, OH, USA |