1. Dental and Oral Medical Center; Kurume University School of Medicine; Kurume Fukuoka Japan
2. Section of Oral and Maxillofacial Oncology; Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University; Fukuoka Japan
3. Division of Oral and Maxillofacial Reconstructive Surgery; Kyushu Dental College; Kitakyushu Fukuoka Japan
4. Department of Periodontology; Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University; Fukuoka Japan