Institution: | a Department of Matrix Medicine, Faculty of Medicine, Oita University, 1-1 Idaigaoka Hasama-machi, Yufu City, Oita 879-5593, Japan b Department of Dentistry and Oral-Maxillo-Facial Surgery, Faculty of Medicine, Oita University, 1-1 Idaigaoka Hasama-machi, Yufu City, Oita 879-5593, Japan |