1. Department of Heart Center, Chaoyang Hospital, Capital Medical University, Beijing, China
2. Graduate School, North China University of Science and Technology, Tangshan, China
3. Department of Cardiology, Kailuan Hospital, North China University of Science and Technology, Tangshan, China
4. Hypertension Center of Fuwai Hospital, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China