1. Department of Medical Physics, Hokkaido University Hospital, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan
2. Department of Radiation Oncology, Graduate School of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan
3. Department of Radiology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 6028566, Japan
4. Department of Radiation Oncology, Tokyo Women’s Medical University, 8–1,Kawada-cho,Sinjuku,Tokyo, 1628666, Japan
5. Department of Radiation Oncology, Hokkaido University Hospital, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan
6. Department of Radiation Oncology, Faculty of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan
7. Global Station for Quantum Biomedical Science and Engineering, Global Institute for Cooperative Research and Education, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan
8. Department of Biostatistics, Faculty of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan
9. Department of Radiation Medicine, Faculty of Medicine, Hokkaido University, North-15 West-7, Kita-ku, Sapporo, 0608638, Japan