1. Department of Radiation Oncology and Image-applied Therapy; Graduate School of Medicine, Kyoto University; Kyoto
2. Department of Therapeutic Radiology; Graduate School of Medicine, Yamaguchi University; Yamaguchi
3. Department of Radiological Technology; Faculty of Medical Science, Kyoto College of Medical Science; Kyoto
4. Department of Radiation Oncology; Kobe City Medical Center General Hospital; Hyogo
5. Division of Radiation Oncology; Institute of Biomedical Research and Innovation; Hyogo Japan