1. Department of Respiratory, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, China
2. Department of Respiratory and Critical Care Medicine, Sir Run Run Shaw Hospital, Affiliated with Zhejiang University School of Medicine, Zhejiang, China
3. Department of Radiology, The Sixth Affiliated Hospital of Wenzhou Medical University, Lishui, China
4. People’s Hospital of Longquan, Longquan, China