[1] Department of Diagnostic Radiology, Shizuoka Cancer Center, Sunto, Shizuoka 411-8777, 1007 Shimonagakubo, Nagaizumi
[2] Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa 920-0942
[3] Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa 920-0942
[4] Department of Medical Technology, Nakatsugawa Municipal General Hospital, Nakatsugawa, Gifu 508-0011
[5] Department of Radiology, Hiroshima University Hospital, Minami-ku, Hiroshima 734-8551