[1] Yonsei Univ, Dept Mech Engn, 50 Yonsei Ro, Seoul 03722, South Korea
[2] Yonsei Sarang Hosp, Joint Reconstruct Ctr, Dept Orthopaed Surg, 10 Hyoryeong Ro, Seoul 06698, South Korea
[3] Cyber Univ Korea, Dept Mech & Control Engn, 106 Bukchon Ro, Seoul 03051, South Korea
[4] Seoul Natl Univ, Coll Med, Spine Ctr, 82 Gumi Ro 173 Beon Gil, Seongnam Si 13620, Gyeonggi Do, South Korea
[5] Seoul Natl Univ, Coll Med, Dept Orthopaed Surg, 82 Gumi Ro 173 Beon Gil, Seongnam Si 13620, Gyeonggi Do, South Korea
[6] Seoul Natl Univ, Bundang Hosp, 82 Gumi Ro 173 Beon Gil, Seongnam Si 13620, Gyeonggi Do, South Korea