Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
Received 6 March 2011; Revised 3 May 2011; Accepted 6 May 2011
Academic Editor: Masutaka Furue
Copyright © 2011 Rungsima Wanitphakdeedecha et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.