Affiliation: | (1) Department of Sports Medicine and Joint Reconstruction Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan;(2) Research Center for Cooperative Projects, Hokkaido University Graduate School of Medicine, Kita-15, Nishi-7, Kita-ku, Sapporo 060-8638, Japan;(3) Department of Mechanical Systems Engineering, Muroran Institute of Technology, Muroran, Japan;(4) Department of Oral Functional Science, Hokkaido University Graduate School of Dental Medicine, Sapporo, Japan; |