1. Department of Pulmonary Medicine, Zhongshan Hospital; Fudan University; Shanghai China
2. Department of Pulmonary Medicine, Xinqiao Hospital; Third Military Medical University; Chongqing China
3. Department of Pulmonary Medicine, Xiangya Hospital; Central South University; Changsha China
4. Department of Pulmonary Medicine, First Affiliated Hospital of College of Medicine; Zhejiang University; Hangzhou China
5. Department of Pulmonary Medicine; Chinese People's Liberation Army General Hospital; Beijing China
6. Department of Pulmonary Medicine, West China Hospital; Sichuan University; Chengdu China
7. State Key Laboratory of Respiratory Disease; Guangzhou Medical University; Guangzhou China
8. Department of Pulmonary Medicine, The Second Affiliated Hospital; Zhejiang University; Hangzhou China
9. Department of Pulmonary Medicine; Second Affiliated Hospital of Dalian Medical University; Dalian China
10. Department of Pulmonary Medicine; Zhengzhou University People's Hospital; Zhengzhou China