Affiliation: | 1.Department of Orthopaedic Surgery, Tohoku University School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai 980-8574, Japan;2.Divisions of Aging and Geriatric Dentistry, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8574, Japan;3.Department of Biomedical Imaging, Tohoku University Graduate School of Biomedical Engineering, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan |