1. Department of Cardiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
2. Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
3. Department of Cardiology, Yuhuangding Hospital, Qingdao Medical College, Qingdao University, Yantai, Shandong Province, China
4. School of Pharmaceutical Science, Capital Medical University, Beijing, China
5. Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
6. Department of Cardiology, Yichang Central People's Hospital, Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, Hubei Province, China
7. Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA