1. Department of Surgery, Kurume University School of Medicine, Kurume, Fukuoka 830‑0011, Japan
2. Department of Hospital Diagnosis, Kurume University School of Medicine, Kurume, Fukuoka 830‑0011, Japan
3. Biostatistics Center, Kurume University School of Medicine, Kurume, Fukuoka 830‑0011, Japan
4. Department of Immunology, Kurume University School of Medicine, Kurume, Fukuoka 830‑0011, Japan
5. Cancer Vaccine Development Division, Research for Innovative Cancer Therapy, Kurume University School of Medicine, Kurume, Fukuoka 830‑0011, Japan