Affiliation: | 1. Center of Medical Ultrasonics, Saitama Medical Center, Dokkyo Medical University, Saitama, Japan;2. Department of Cardiology, Saitama Medical Center, Dokkyo Medical University, Saitama, Japan;3. Department of Cardiovascular Medicine, Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan;4. Smidt Heart Institute, Cedars‐Sinai Medical Center, Los Angeles, CA, USA;5. David Geffen School of Medicine, University of California, Los Angeles, CA, USA |