1. Faculty of Nursing, Hirosaki Gakuin University, Hirosaki, Japan
2. Department of Nursing, Hirosaki University of Health and Welfare, Hirosaki, Japan
3. Department of Physical Therapy, Aomori University of Health and Welfare, Aomori, Japan
4. Department of Nursing, Akamon College of Sendai, Sendai, Japan
5. Sendai Tomizawa Hospital, Sendai, Japan