1. Department of Family Nursing, Division of Health Sciences and Nursing, Graduate School of Medicine The University of Tokyo Tokyo Japan
2. Department of Breast and Endocrine Surgery Nihon University Itabashi Hospital Itabashi City Japan
3. Nursing Department Cancer Institute Hospital of the Japanese Foundation of Cancer Research Tokyo Japan
4. Breast Oncology Center Cancer Institute Hospital of the Japanese Foundation of Cancer Research Tokyo Japan
5. Department of Nursing, Faculty of Human Care Tohto University Fukaya Japan
6. Division of Breast Surgical Oncology, Department of Surgery Showa University School of Medicine Tokyo Japan
7. Department of Clinical Nursing Showa University School of Nursing and Rehabilitation Sciences Tokyo Japan
8. Department of Breast Surgical Oncology St. Luke's International Hospital Tokyo Japan