Hwanjun Choi, MD, PhD Professor Department of Plastic and Reconstructive Surgery, Soonchunhyang University Cheonan Hospital 31 Soonchunhyang 6gil, Dongnam-gu, Cheonan-si, Chuncheongnam-do, 330-721, Republic of Korea Phone : +82-41-570-2195, Fax : +82-41-574-6133 E-mail : 71830@schmc.ac.kr