1) Department of Cardiovascular Surgery, Shiga University of Medical Science, Otsu, Japan
2) Department of Radiology, Shiga University of Medical Science, Otsu, Japan
3) Graduate School of Medicine, Shiga University of Medical Science, Otsu, Japan
4) Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Japan
5) College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Japan

Kenichi Kamiya¹⁾³⁾⁴⁾, Hiroyuki Nagatani²⁾, Shinya Terada³⁾, Yuji Matsubayashi¹⁾, Shunta Miwa¹⁾, Yotaro Mori¹⁾, Hodaka Wakisaka¹⁾, Masahide Enomoto¹⁾, Naoshi Minamidate¹⁾, Noriyuki Takashima¹⁾, Taihei Fujii⁴⁾, Susumu Nakata⁵⁾, Tomoaki Suzuki¹⁾