1. Department of Advanced Nursing Technology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
2. Department of Hematology and Oncology, The University of Tokyo Hospital, Tokyo, Japan.
3. Clinical Research Promotion Center, The University of Tokyo Hospital, Tokyo, Japan.
4. Nursing Department, The University of Tokyo Hospital, Tokyo, Japan.
5. Department of Gerontological Nursing/Wound Care Management, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.