Institution: | 1. Sports Clinic, Juntendo University Hospital, Tokyo, Japan;2. Department of Cardiovascular Medicine, Juntendo University School of Medicine, Tokyo, Japan;3. Department of General Medicine, Juntendo University School of Medicine, Tokyo, Japan;4. Department of Sports Science, Juntendo University School of Health and Sports Science, Chiba, Japan;5. Department of Cardiovascular Surgery, Juntendo University School of Medicine, Tokyo, Japan |