Affiliation: | 1. Shoulder & Elbow Clinic, Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, Seoul, Republic of Korea;2. Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea;3. Department of Orthopaedic Surgery, Soonchunhyang University Hospital Bucheon, Soonchunhyang University School of Medicine, Bucheon, Republic of Korea;4. Department Of Orthopaedic Surgery, Hangang Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea |