1 Department of Respiratory Medicine, Shenzhen Hospital, Peking University, Lianhua road No. 1120, Shenzhen, 518036, Guangdong, China. qiguo007@sina.com.
2 Department of Respiratory Medicine, The Eighth Affiliated Hospital (Shenzhen Futian), Sun Yat-sen University, Shenzhen, 518033, Guangdong, China. qiguo007@sina.com.
3 Department of Respiratory Medicine, Shenzhen Hospital, Peking University, Lianhua road No. 1120, Shenzhen, 518036, Guangdong, China.
4 Medical Department, The Eighth Affiliated Hospital (Shenzhen Futian), Sun Yat-sen University, Shenzhen, 518033, Guangdong, China.
5 Department of Respiratory Medicine, The Eighth Affiliated Hospital (Shenzhen Futian), Sun Yat-sen University, Shenzhen, 518033, Guangdong, China.
6 Department of Radiology, The Eighth Affiliated Hospital (Shenzhen Futian), Sun Yat-sen University, Shenzhen, 518033, Guangdong, China.
7 Guangzhou Institute of Respiratory Diseases (State Key Laboratory of Respiratory Diseases), First Affiliated Hospital, Guangzhou Medical University, Guangzhou, 510120, Guangdong, China.