Accepted for Publication: December 1, 2011.
Published Online: April 16, 2012. doi:10.1001/archdermatol.2011.3269. Corrected on April 19, 2012.
Author Contributions: All authors had full access to all of the data in the study and take full responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Bachelez, Bagot, and Battistella. Acquisition of data: Beylot-Barry, Bachelez, Rivet, Vergier, Bagot, and Battistella. Analysis and interpretation of data: Beylot-Barry, Bachelez, Rivet, Bagot, and Battistella. Drafting of the manuscript: Battistella. Critical revision of the manuscript for important intellectual content: Beylot-Barry, Bachelez, Rivet, Vergier, and Bagot. Administrative, technical, and material support: Beylot-Barry. Study supervision: Bachelez, Rivet, Vergier, and Bagot.
Financial Disclosure: None reported.
Additional Contributions: Anne Janin, MD, PhD, assisted with critical reading of the manuscript, and Nicolas Ortonne, MD, PhD, provided help with the ICOS immunostainings.