1. Department of Surgery and Science, School of Medical Sciences, Kyushu University, Fukuoka 812‑8582, Japan
2. Department of Microbiology and Immunology, Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido 060‑8638, Japan
3. Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565‑0871, Japan
4. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812‑8582, Japan