1. Department of Cardiology; Fu Wai Hospital, National Center for Cardiovascular Diseases; Beijing China
2. Department of Cardiology; General Hospital of Shenyang Military Region; Shenyang China
3. Catheterization Laboratory; Fu Wai Hospital, National Center for Cardiovascular Diseases; Beijing China
4. Department of Cardiology; Affiliated Anzhen Hospital of Capital Medical University; Beijing China
5. Department of Cardiology; Kunming General Hospital of Chengdu Military Region; Kunming China