1. Department of Thoracic Surgery and Oncology, The First Affiliated Hospital of Guangzhou Medical University & Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou, Guangdong 510120, China
2. National Center for Respiratory Medicine, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Diseases, Guangzhou Institute of Respiratory Health & The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, China
3. Southern Medical University, Guangzhou, Guangdong 510120, China
4. Department of Respiratory and Critical Care Medicine, The Tenth Affiliated Hospital of Southern Medical University, Dongguan, Guangdong 523108, China