1. Department of Dermatology Fukushima Medical University Fukushima Japan
2. Department of Musculoskeletal Oncology and Metabolic Bone Disease Research Fukushima Medical University Fukushima Japan
3. Department of East Shirakawa Orthopaedic Academy Fukushima Japan
4. Department of Orthopedic Surgery Minami Tohoku Fukushima Hospital Fukushima Japan