1 Department of Respiratory Medicine, The Sixth Affiliated Hospital of Guangzhou Medical University Qingyuan People's Hospital, Qingyuan, China.
2 Zhouxin Community Health Service, Qingcheng District, Qingyuan, China.
3 State Key Laboratory of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, National Clinical Research Center for Respiratory Disease, Guangzhou, China.
4 Department of Thoracic Surgery, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China.
5 Department of Respiratory Medicine, The Sixth Affiliated Hospital of Guangzhou Medical University Qingyuan People's Hospital, Qingyuan, China. 2682105044@qq.com.
6 Department of Respiratory Medicine, The Sixth Affiliated Hospital of Guangzhou Medical University Qingyuan People's Hospital, Qingyuan, China. 502463784@qq.com.