Affiliation: | aDepartment of Oral and Maxillofacial Surgery, Ehime University School of Medicine, 454 Shitsukawa, Shigenobu-cho, Onsen-gun, Ehime 791-0295, Japan bSecond Department of Oral and Maxillofacial Surgery, Tokushima University School of Dentistry, Tokushima 770-8504, Japan cDepartment of Surgical and Molecular Pathology, Dokkyo University School of Medicine, Tochigi 321-0293, Japan |