1. Department of Respiratory and Critical Care MedicineThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou Henan China
2. Department of Respiratory and Critical Care Medicine, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory DiseasesThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou Guangdong China
3. Department of Emergency MedicineThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou Henan China