1. Department of Respiratory, The First Affiliated Hospital of Wenzhou Medical University and Key Laboratory of Heart and Lung, Wenzhou, No. 2 Fu Xue Lane, Lucheng District, Wenzhou, Zhejiang 325035, China
2. Respiratory Department, Changxing Traditional Chinese Medicine Hospital, No. 198 Binnan Road, Changxing Town, Huzhou, Zhejiang 313100, China