1. Faculty of Health Sciences; Institute of Medical, Pharmaceutical and Health Sciences; Kanazawa University; 5-11-80 Kodatsuno Kanazawa Ishikawa 9200942 Japan
2. Department of Radiology; Okazaki City Hospital; 3-1 Goshoai Koryuji-cho, Okazaki Aichi 4448553 Japan
3. Department of Radiology; Yokohama City University Hospital; 3-9 Fuku-ura Kanazawa-ku, Yokohama Kanagawa 2360004 Japan
4. Department of Radiology; Kanazawa University; 13-1 Takara-machi Kanazawa Ishikawa 9208641 Japan
5. Department of Radiology; University of Miami; 1150 NW 14th Street Suite 713 FL 33146 USA