1. Department of Orthopedic Surgery Seoul National University College of Medicine, Seoul National University Bundang Hospital 166 Gumi‐ro, Bundang‐gu Seongnam‐si Gyeonggi‐do South Korea
2. Department of Orthopedic Surgery Konyang University College of Medicine, Konyang University Hospital 158 Gwanjeodong‐ro, Seo‐gu Daejeon South Korea
3. Department of Orthopedic Surgery Soonchunhyang University College of Medicine,, Soonchunhyang University Hospital 59 Daesagwan‐ro, Yongsan‐gu Seoul South Korea