1. State Key Laboratory of Networking and Switching Technology Beijing University of Posts and Telecommunications Beijing China
2. Department of Ultrasound Peking Union Medical College Hospital Beijing China
3. Chinese Academy of Medical Sciences Peking Union Medical College Beijing China
4. Department of Respiration Beijing Jishuitan Hospital Beijing China
5. Department of Respiration the First Affiliated Hospital of Wenzhou Medical College Zhejiang China
6. Department of Respiration, Traditional Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region Xinjiang Uygur Autonomous Region Uygur China
7. Department of Respiration Anhui Provincial Hospital Hefei China
8. Department of Respiration, People's Hospital of Xinjiang Uygur Autonomous Region Xinjiang Uygur Autonomous Region Uygur China
9. Department of Respiration Yanbian University Affiliated Hospital Organization Yanji China
10. Department of Respiration Hebei Chest Hospital Hebei China
11. Department of Respiration BaoDing No. 1 Hospital Hebei China
12. Department of Respiration Shanghai Pulmonary Hospital Shanghai China
13. Department of Respiration Zhuzhou People's Hospital of Hunan Province Hunan China
14. Department of Pulmonary and Critical Care Medicine Peking Union Medical College Hospital Beijing China
15. Department of Pulmonary and Critical Care Medicine East Hospital Shanghai China