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