1. Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University Kasumi, Hiroshima, Japan
2. Department of Pediatrics, Hiroshima University Graduate School of Biomedical and Health Sciences, Kasumi, Hiroshima, Japan
3. Department of Musculoskeletal Traumatology and Reconstructive Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University Kasumi, Hiroshima, Japan