1. Department of Oral and Maxillofacial Reconstructive Surgery; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama; Japan
2. Department of Oral and Maxillofacial Surgery; Fukui University Medical School; Fukui; Japan
3. Department of Oral Diagnosis and Dentomaxillofacial Radiology; Okayama University Hospital; Okayama; Japan