1. Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Japan
2. Division of Infectious Diseases, Department of Medicine, Kobe University Hospital, Japan
3. Division of Breast and Endocrine Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, Japan
4. Cancer Center, Kobe University Hospital and Graduate School of Medicine, Japan