Affiliation: | 1. The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China;2. Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China;3. Xiangtan Chinese Medicine Hospital, Xiangtan, Hunan, China;4. Hunan University of Chinese Medicine, Changsha, Hunan, China;5. Department of Emergency, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China |