1. Division of Anti‐aging and Vascular Medicine, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
2. National Cerebral and Cardiovascular Center, Osaka, Japan
3. Japan Self Defense Force Maizuru Hospital, Maizuru, Japan
4. Department of Preventive Medicine and Public Health, National Defense Medical College, Tokorozawa, Japan
5. Department of Intensive Care, National Defense Medical College Hospital, Tokorozawa, Japan