1. Shonankamakura General Hospital Department of General Surgery, , Kamakura , Japan
2. Kobe University Graduate School of Medicine Department of Medical Oncology and Hematology, , Kobe , Japan
3. Yao Tokushukai General Hospital Department of Medicine and Oncology, , Yao , Japan
4. Ogaki Tokushukai Hospital Department of Breast Surgery, , Ogaki , Japan
5. Tokyo Medical University Department of Health Data Science, , Tokyo , Japan
6. Tokushukai Information System Inc. , Osaka , Japan
7. Mirai Iryo Research Center Inc. , Tokyo , Japan
8. Kobe University Hospital Cancer Center Kobe, , Kobe , Japan