1. Department Ⅱ of Cardiology Shandong Provincial Qianfoshan Hospital (The First Affiliated Hospital of Shandong First Medical University) Ji’nan P.R. China
2. Jinan University Guang'zhou P.R. China
3. Shandong University of Finance and Economics Ji’nan P.R. China
4. The Third Hospital of Jinan Ji'nan P.R. China
5. Department II of Cardiology Affiliated Hospital of Shandong University of Traditional Chinese Medicine Ji’nan P.R. China
6. Department of Cardiology Shandong Qilu Hospital Ji’nan P.R. China