1. Cardiology Department, TaiZhou Fourth People's Hospital, TaiZhou, JiangSu, China
2. Department of Science and Education, TaiZhou Fourth People's Hospital, TaiZhou, JiangSu, China
3. Cardiology Department, ZhongShan Hospital of Fudan University, Shanghai, China
4. Cardiology Department, Tenth People's Hospital of Tongji University, Shanghai, China