1. Department of Breast Surgery, Oita Prefectural Hospital
2. Department of Breast Surgery, JCHO Kurume General Hospital
3. Department of Breast Oncology, Kumamoto Shinto General Hospital
4. Department of Breast and Endocrine Surgery, Kumamoto University Hospital
5. Department of Surgery, Ueo Breast Cancer Hospital
6. Division of Oncology, Hematology, and Infectious Diseases, Department of Internal Medicine, Fukuoka University
7. Department of Surgery, Kitakyushu Municipal Medical Center
8. Department of Breast Oncology, National Hospital Organization Kyushu Cancer Center