1. Associate Professor, Nayoro City University, Hokkaido, Japan
2. Assistant Professor, Yokohama City University, Yokohama, Japan
3. Associate Professor, University of Information Sciences, Chiba, Japan
4. Certified Nurse Specialist In Gerontological Nursing; Assistant Professor, Gunma University Graduate School of Medicine, Gunma, Japan
5. Deputy Director of Nursing, Kenwakai Medical Corporation, Tokyo, Japan
6. National Cancer Center, Chiba, Japan