1. Department of RehabilitationHokkaido Chitose College of Rehabilitation Chitose Japan
2. Department of Public HealthSapporo Medical University School of Medicine Sapporo Japan
3. Department of Geriatric and General Medicine, OsakaUniversity Graduate School of Medicine Suita Japan
4. Department of Cardiovascular, Renal and Metabolic MedicineSapporo Medical University School of Medicine Sapporo Japan
5. Division of Medical and Behavioral SubjectsSapporo Medical University School of Health Science Sapporo Japan