1. Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul 06973, Republic of Korea
2. Department of Orthopedic Surgery, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, 110 Deokan-ro, Gwangmyeong-si 14353, Republic of Korea
3. Madisesang Hospital, 890 Dongil-ro, Jungnang-gu, Seoul 02038, Republic of Korea