1. Department of Advanced Nursing Technology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
2. Global Nursing Research Center, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
3. Department of Nursing, The University of Tokyo Hospital, Bunkyo-ku, Tokyo, Japan
4. Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
5. Department of Gerontological Nursing/Wound Care Management, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan