1. Department of Orthopedic Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan
2. Department of Public Health, Health Management and Policy, Nara Medical University School of Medicine, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan
3. Department of Biomedical Engineering, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0394, Japan
4. Department of Orthopedic Surgery, Nara Medical Center, 2-789 Shichijo, Nara, Nara 630-8053, Japan
5. Department of Arthroplasty and Regenerative Medicine, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan