Accepted for Publication: January 25, 2012.
Published Online: March 19, 2012. doi:10.1001/archdermatol.2012.288
Author Contributions: Dr Vleugels had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Girouard, Penson, and Vleugels. Acquisition of data: Penson. Analysis and interpretation of data: Velez, Penson, Massarotti, and Vleugels. Drafting of the manuscript: Girouard. Critical revision of the manuscript for important intellectual content: Velez, Penson, Massarotti, and Vleugels. Administrative, technical, and material support: Girouard, Velez, Penson, Massarotti, and Vleugels. Study supervision: Vleugels.
Financial Disclosure: None reported.
Additional Contributions: George Murphy, MD, provided expertise in dermatopathology; Jamie Martin, BA, assisted in manuscript preparation; and Rei Watanabe-Hosokawa, MD, PhD, assisted in Japanese translation.