Affiliation: | 1. Steadman Philippon Research Institute, Vail, Colorado, U.S.A.;2. The Steadman Clinic, Vail, Colorado, U.S.A.;1. Department of Orthopaedic Surgery, Bundang Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea;2. Department of Orthopaedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University College of Medicine, Seou, Republic of Korea |