1. Department of Orthopaedic Surgery, Chungnam National University Sejong Hospital, Chungnam National University School of Medicine, 20, Bodeum 7-ro, Sejong-si 30099, Republic of Korea
2. School of Mechanical Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
3. Medical Device Development Center, Osong Medical Innovation Foundation 123, Osongsaengmyeong-ro, Osong-eup, Heungdeok-gu, Cheonju-si 28160, Chungbuk, Republic of Korea
4. Department of Mechanics-Material Convergence System Engineering, Hanbat National University, 125, Dongseo-daero, Yuseong-gu, Daejeon 34158, Republic of Korea