1. 1Department of Radiology, Tokushima University Hospital. 2-50-1, Kuramoto-cho, Tokushima City, Tokushima, 770-8503, Japan
2. Division of Radiology, German Cancer Research Centre (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
3. Department of Diagnostic and Therapeutic Radiology, Kawasaki Medical School General Medical Center, 2-6-2 Nakasange, Kita-ku, Okayama City, Okayama, 700-8505, Japan
4. Department of Orthopedics, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima-city, 770-8503, Tokushima, Japan
5. Department of Medical Imaging/Nuclear Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School. 2-50-1, Kuramoto-cho, Tokushima City, Tokushima, 770-8503, Japan
6. Division of Pathology, Tokushima University Hospital. 2-50-1, Kuramoto-cho, Tokushima City, Tokushima, 770-8503, Japan