[1] Department of Radiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
[2] Department of Respiratory and Critical Care Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
[3] Department of Emergency, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
[4] Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
[5] Department of Respiratory and Critical Care Medicine, Zhoukou Central Hospital, Zhoukou, Henan, China
[6] Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Jilin Medical University, Jilin, Jilin, China
[7] Department of Respiratory Medicine, Taiyuan Municipal NoPeople’s Hospital, Taiyuan, Shanxi, China
[8] Department of Respiratory and Critical Care Medicine, Ordos Central Hospital, Ordos School of Clinical Medicine, Inner Mongolia Medical University, Ordos, Inner Mongolia,