1. Department of Bone and Joint Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
2. Department of Orthopaedic Surgery, Kanazawa University School of Medicine, Takara-machi, Kanazawa, Ishikawa 920-8641, Japan
3. Department of Urology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
4. Department of Organ Regenerative Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan
5. Department of Diagnostic and Therapeutic Radiology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan