1 Department of Cardiology, Tokyo Women's Medical University, Tokyo, Japan.
2 Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University, 8-1, Kawadacho, Shinjuku-Ku, Tokyo, 162-8666, Japan.
3 Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University, 8-1, Kawadacho, Shinjuku-Ku, Tokyo, 162-8666, Japan. nagao.michinobu@twmu.ac.jp.
4 Department of Pediatric and Adult Congenital Cardiology, Tokyo Women's Medical University, Tokyo, Japan.
5 Department of Cardiovascular Surgery, Tokyo Women's Medical University, Tokyo, Japan.