1. Division of Clinical Technology, Tokushima University Hospital, Tokushima 7708503, Japan
2. Institute of Post-LED Photonics, Tokushima University, Tokushima 7708506, Japan
3. Department of Diagnostic Radiology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708503, Japan
4. Department of Therapeutic Radiology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708503, Japan
5. Department of Radiological Technology, Ehime University Hospital, Toon 7910295, Japan
6. Department of Radiology and Radiation Oncology, Tokushima University, Tokushima 7708503, Japan
7. Faculty of Science and Technology, Tokushima University, Tokushima 7708506, Japan