1. Department of Nursing Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
2. Department of Nursing, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan;
3. Department of Nursing, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
4. Department of Nursing, Hiroshima International University, Japan
5. Department of Orthopedics, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan
6. Department of Orthopedics, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan;
7. Department of Neurosurgery, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan