1. Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
2. Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province, Henan University of Chinese Medicine, Zhengzhou, Henan 450000, China
3. Institute for Respiratory Diseases, The First Affiliated Hospital, Henan University of Chinese Medicine, Zhengzhou, Henan 450000, China
4. Central Laboratory, The First Affiliated Hospital, Henan University of Chinese Medicine, Zhengzhou, Henan 450000, China
5. Institute for Geriatrics, Henan University of Chinese Medicine, Zhengzhou, Henan 450000, China