1 Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, N14, W5, Kita-ku, Sapporo, 060-8648, Japan.
2 Diagnostic Center for Sonography, Hokkaido University Hospital, N14, W5, Kita-ku, Sapporo, 060-8648, Japan.
3 Diagnostic Center for Sonography, Hokkaido University Hospital, N14, W5, Kita-ku, Sapporo, 060-8648, Japan. [email protected].
4 Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15, W7, Kita-ku, Sapporo, 060-8638, Japan. [email protected].
5 Division of Cardiology, Hakodate Municipal Hospital, 1-10-1, Minatocho, Hakodate, 041-8680, Japan. [email protected].
6 Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, N15, W7, Kita-ku, Sapporo, 060-8638, Japan.
7 Department of Hematology, Faculty of Medicine, Hokkaido University, N15, W7, Kita-ku, Sapporo, 060-8638, Japan.