Jun Yong Lee1, Hae Won Kang2, Sung-No Jung3. 1. Department of Plastic and Reconstructive Surgery, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea. 2. Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. 3. Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea.