1. Department of Internal Medicine, Tokushima Prefectural Kaifu Hospital, Tokushima, Japan.
2. Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
3. Department of Community Medicine and Medical Science, and Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
4. Department of General Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
5. Department of Nursing, Tokushima Prefectural Kaifu Hospital, Tokushima, Japan.
6. Department of Neurosurgery, and Tokushima Prefectural Kaifu Hospital, Tokushima, Japan.
7. Department of Orthopedic Surgery, Tokushima Prefectural Kaifu Hospital, Tokushima, Japan.