1. Department of Orthopaedic Surgery, Toyama Red Cross Hospital, Toyama, Toyama 930-0859, Japan
2. Department of Orthopaedic Surgery, University of Toyama, Toyama, Toyama 930-0194, Japan
3. Department of Orthopaedic Surgery, Takaoka City Hospital, Takaoka, Toyama 933-8550, Japan
4. Department of Human Science 1, University of Toyama, Toyama, Toyama 930-0194, Japan