[1] Kyushu Univ, Grad Sch Med Sci, Dept Clin Radiol, Fukuoka, Japan
[2] Kyushu Univ, Grad Sch Med Sci, Dept Adv Imaging & Intervent Radiol, Fukuoka, Japan
[3] Kyushu Univ, Grad Sch Med Sci, Dept Radiol Informat & Network, Fukuoka, Japan
[4] Kyushu Univ, Grad Sch Med Sci, Dept Surg & Sci, Fukuoka, Japan