1. Department of Mechanical Engineering, Yonsei University, , Republic of Korea
2. Department of Anesthesiology & Pain Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, , Republic of Korea
3. Joint Reconstruction Center, Department of Orthopaedic Surgery, Yonsei Sarang Hospital, , Republic of Korea
4. Department of Orthopedic Surgery, Yonsei University College of Medicine, , Republic of Korea