1. Respiratory Department, Longquan People’s Hospital, No. 699, Dongcha Road, Longquan City, Zhejiang Province, 323000, P.R. China
2. Respiratory Department, The Sixth Affiliated Hospital of Wenzhou Medical University, No. 15 Dazhong Street, Liandu District, Lishui City, Zhejiang Province, 323000, P.R. China
3. Longquan People’s Hospital, No. 699, Dongcha Road, Longquan City, Zhejiang Province, 323000, P.R. China
4. Wenzhou Medical University, Wenzhou Chashan Higher Education Park, Wenzhou, Zhejiang Province, 325006, P.R. China
5. School of Public Administration, Wenzhou Medical University, Wenzhou Chashan Higher Education Park, Wenzhou, Zhejiang Province, 325006, P.R. China