1. Department of Cardiology, Hirakata Kohsai Hospital
2. Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
3. Department of Rehabilitation, Hirakata Kohsai Hospital
4. Department of Preventive Services, School of Public Health, Kyoto University
5. Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University
6. Department of Cardiology, Takanohara Central Hospital