Accepted for Publication: July 11, 2012.
Published Online: September 17, 2012. doi:10.1001/archdermatol.2012.3022
Author Contributions: All of the authors had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Kwon, Park, Youn, Huh, and Na. Acquisition of data: Kwon, Byun, and Na. Analysis and interpretation of data: Kwon, Choi, Hong, and Na. Drafting of the manuscript: Kwon and Na. Critical revision of the manuscript for important intellectual content: Park, Youn, Huh, and Na. Administrative, technical, and material support: Choi, Byun, and Hong. Study supervision: Kwon, Park, Youn, Huh, and Na.
Financial Disclosure: None reported.