Accepted for Publication: September 14, 2011.
Author Contributions: All authors had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of data analysis. Study concept and design: West and Puri. Acquisition of data: West, Sporn, and Puri. Analysis and interpretation of data: West, Sporn, and Puri. Drafting of the manuscript: West and Sporn. Critical revision of the manuscript for important intellectual content: West and Puri. Administrative, technical, and material support: West and Puri. Study supervision: West, Sporn, and Puri.
Financial Disclosure: None reported.
Additional Contributions: Melanie Walter, MD, provided the clinical photographs, and Steve Conlon provided technical assistance with figures.