Affiliation: | 1. Department of Cardiology, Keio University School of Medicine, Tokyo, Japan;2. Department of Cardiovascular Surgery, Keio University School of Medicine, Tokyo, Japan;3. New Tokyo Hospital, Matsudo, Japan;4. Department of Cardiology, Osaka City General Hospital, Osaka, Japan;5. Saiseikai Yokohama-City Eastern Hospital, Tsurumi, Japan;6. Sendai Kousei Hospital, Sendai, Japan;7. Shonan Kamakura General Hospital, Kamakura, Japan;8. Kokura Memorial Hospital, Kokura, Japan;9. Department of Cardiovascular Surgery, Tokyo Bay Urayasu-Ichikawa Medical Center, Chiba, Japan;10. Toyama University Hospital, Toyama, Japan;11. Ogaki Municipal Hospital, Gifu, Japan;12. Teikyo University School of Medicine, Tokyo, Japan;13. Toyohashi Heart Center, Toyohashi, Japan |