1. Department of Mechanical Engineering; Yonsei University; 50 Yonsei-ro Seodaemun-gu Seoul 03722 Republic of Korea
2. Department of Orthopaedic Surgery; Joint Reconstruction Center; Yonsei Sarang Hospital; 10 Hyoryeong-ro Seocho-gu Seoul 06698 Republic of Korea
3. AnyBody Technology A/S; 10 Niels Jernes Vej Aalborg 9220 Denmark
4. Department of Orthopedic Surgery, Gangnam Severance Hospital, Arthroscopy and Joint Research Institute; Yonsei University College of Medicine; 211 Eonju-ro Gangnam-gu Seoul 06273 Republic of Korea