1. Department of Orthopaedic Surgery, School of Medicine Chiba University Chiba Japan
2. Center for Preventive Medicine, Musculoskeletal Disease and Pain Chiba University Chiba Japan
3. Department of Orthopaedic Surgery, Center for Advanced Joint Function and Reconstructive Spine Surgery Graduate School of Medicine Chiba University Chiba Japan
4. Graduate School of Global and Transdisciplinary Studies Chiba University Chiba Japan