1. Department of Rehabilitation, Daisen Rehabilitation Hospital, Hoki-cho 689-4102, Japan
2. Division of Orthopedic Surgery, Department of Sensory and Motor Organs, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
3. Division of Clinical Radiology, Tottori University Hospital, Yonago 683-8504, Japan
4. Tottori Prefecture Chubu Regional Office, Agriculture and Forestry Bureau, Agricultural Promotion Division, Kurayoshi 682-0802, Japan
5. School of Health Science, Faculty of Medicine, Tottori University, Yonago 683-8503, Japan