1. Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
2. Department of Respiratory Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
3. Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, China