1 Department of Radiology, Mie University Graduate School of Medicine, Tsu, Japan; Department of Radiology, Matsusaka Municipal Hospital, Matsusaka, Japan.
2 Department of Radiology, Mie University Graduate School of Medicine, Tsu, Japan. Electronic address: kakuya@med.mie-u.ac.jp.
3 Department of Radiology, Matsusaka Municipal Hospital, Matsusaka, Japan.
4 Department of Cardiology, Matsusaka Municipal Hospital, Matsusaka, Japan.
5 Department of Radiology, Mie University Graduate School of Medicine, Tsu, Japan.