1. Department of Cardiology Hirakata Kohsai Hospital Osaka Japan
2. Department of Rehabilitation Hirakata Kohsai Hospital Osaka Japan
3. Department of Cardiology Hirakata City Hospital Osaka Japan
4. Department of Cardiology Otokoyama Hospital Kyoto Japan
5. Department of Internal medicine Arisawa General Hospital Osaka Japan
6. Department of Social and Environmental Medicine Graduate School of Medicine, Osaka University Osaka Japan