1. Department of Pathology, Amagasaki Chuo Hospital, Amagasaki, Hyogo 661‑0976, Japan
2. Department of Clinical Laboratory, Amagasaki Chuo Hospital, Amagasaki, Hyogo 661‑0976, Japan
3. Division of Health Sciences, Cancer Education and Research Center, Osaka University Graduate School of Medicine, Osaka 565‑0871, Japan