1. Department of Orthopedic Surgery; Gyeongsang National University School of Medicine and Gyeongsang National University Hospital; Jinju Republic of Korea
2. Department of Orthopedic Surgery; Kyung Hee University Hospital at Gangdong, School of Medicine, Kyung Hee University; Seoul Korea
3. Department of Orthopedic Surgery; Kyung Hee University Hospital, School of Medicine, Kyung Hee University, Hoegi-dong, Dongdaemun-gu; Seoul Korea