1 Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan.
2 Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan; Clinical Research Division for Heart Rhythm Management, Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan. Electronic address: shoda.morio@twmu.ac.jp.
3 Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan; Clinical Research Division for Heart Rhythm Management, Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan.