Accepted for Publication: July 23, 2013.
Published Online: November 13, 2013. doi:10.1001/jamadermatol.2013.7141.
Study concept and design: Salva, Haemel, Liu, Wood.
Acquisition of data: All authors.
Analysis and interpretation of data: Salva, Haemel, Pincus, Sundram, Longley, Wood.
Drafting of the manuscript: Salva, Haemel, Pincus, Liu, Wood.
Critical revision of the manuscript for important intellectual content: Salva, Haemel, Sundram, Guitart, Longley, Wood.
Statistical analysis: Pincus.
Administrative, technical, or material support: Salva, Haemel, Guitart, Longley.
Study supervision: Wood.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by Merit Review funding from the Department of Veterans Affairs (to Dr Wood) and National Institutes of Health grant T32AR055893 (to Dr Salva). Dr Haemel is supported by the Dermatology Foundation Medical Dermatology Career Development Award.
Role of the Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: The valuable efforts of Janyana Deonizio, MD (Northwestern University), contributed to the collection of patient data. Dr Deonizio was not compensated for her contribution.