1. Department of Cardiovascular, Renal and Metabolic Medicine Sapporo Medical University School of Medicine SapporoJapan
2. Sanwa Kagaku Kenkyusho Co., Ltd. InabeJapan
3. Department of Public Health School of Medicine, Sapporo Medical University School of Medicine Sapporo Japan
4. Department of Nursing Division of Medical and Behavioral Subjects Sapporo Medical University School of Health Sciences SapporoJapan
5. Japan Health Care College Sapporo Japan