1 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya University, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan.
2 Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya University, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan. akihito17491194@gmail.com.
3 Department of Cardiology, Kasugai Municipal Hospital, Kasugai, Japan.