1. Department of Pulmonary Diseases, Institute of Respiratory Diseases of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
2. Department of Pediatrics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
3. Department of Otolaryngology, Head and Neck Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China