1. Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama , Toyama, Japan
2. Department of Trauma and Orthopaedic Surgery, Vietnam Military Medical University , Hanoi, Vietnam
3. Department of Molecular and Medical Pharmacology, Faculty of Medicine, University of Toyama , Toyama
4. Department of Orthopaedic Surgery, Shiga University of Medical Science , Otsu, Japan