Dong-Kyo Seo, Ho Seong Lee
Department of Orthopaedic Surgery, Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea
Correspondence to: Ho Seong Lee
Department of Orthopaedic Surgery, Asan Medical Center, Ulsan University
College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, Korea
Tel: 82-2-3010-3536, Fax: 82-2-488-7877, E-mail:
hosng@amc.seoul.kr Received January 23, 2014; Revised February 3, 2014; Accepted February 3, 2014.
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