1 Department of Anatomy, College of Medicine, KonYang University of Korea, Daejeon, Korea.
2 Department of Orthopedic Surgery, Konyang University School of Medicine, Daejeon, Korea.
3 Department of Anatomy, Catholic Institute for Applied Anatomy, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 137-701, Korea. ibkimmd@catholic.ac.kr.
4 Department of Anatomy, College of Medicine, Chungang University of Korea, 84 Heukseok-Ro, DongJak-gu, Seoul, Korea. monami@cau.ac.kr.