1. St Luke's College of Nursing, Gerontological Nursing; Tokyo Medical and Dental University; Tokyo Japan
2. St Luke's College of Nursing Graduated School; Tokyo Medical and Dental University; Tokyo Japan
3. Tokyo Metropolitan Institute of Medical Science; Tokyo Medical and Dental University; Tokyo Japan
4. Graduate School of Healthcare Sciences; Tokyo Medical and Dental University; Tokyo Japan
5. Former St Luke's College of Nursing; Center of Excellence Japanese Geriatric Care Project; Tokyo Japan