Accepted for Publication: April 22, 2011.
Published Online: July 18, 2011. doi:10.1001/archdermatol.2011.191
Author Contributions: Ms Chang and Dr Werth 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: Chang and Werth. Acquisition of data: Chang, Piette, Foering, Okawa, and Werth. Analysis and interpretation of data: Chang, Piette, Foering, Tenhave, and Werth. Drafting of the manuscript: Chang. Critical revision of the manuscript for important intellectual content: Chang, Piette, Foering, Tenhave, Okawa, and Werth. Statistical analysis: Chang and Tenhave. Obtained funding: Chang and Werth. Administrative, technical, and material support: Chang, Piette, Foering, Okawa, and Werth. Study supervision: Werth.
Financial Disclosure: None reported.
Funding/Support: This work was supported by National Institutes of Health grant NIH K24-AR 18 02207 (Dr Werth) and a grant from the Doris Duke Charitable Foundation to the Perelman School of Medicine at the University of Pennsylvania to fund Clinical Research Fellow Ms Chang.
Additional Contributions: We would like to thank Lynne Taylor, PhD, for her help with statistical analysis.