1. Division of Respiratory Medicine, Taizhou Enze Medical Center Enze Hospital, Taizhou, Zhejiang 318000, China
2. Division of Equipment, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
3. Division of Intensive Care Unit, Ningbo Medical Center Lihuili Eastern Hospital, Ningbo, Zhejiang 315040, China
4. Division of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University and Key Laboratory of Heart and Lung, Wenzhou, Zhejiang 325035, China