Affiliation: | 1. Department of Internal Medicine and Cardiology, Osaka City University Graduate School of Medicine, Osaka, Japan;2. Department of Medicine, Osaka Ekisaikai Hospital, Osaka, Japan;3. Department of Cardiovascular Medicine, Higashisumiyoshi Morimoto Hospital, Osaka, Japan;4. Heart Center, Tokyo Bay Urayasu/Ichikawa Medical Center, Urayasu, Japan;5. Nishinomiya Watanabe Cardiovascular Center, Nishinomiya, Japan |