Accepted for Publication: August 17, 2013.
Published Online: December 4, 2013. doi:10.1001/jamadermatol.2013.7609.
Study concept and design: Salva, Wood.
Acquisition of data: All authors.
Analysis and interpretation of data: Salva, Longley, Wood.
Drafting of the manuscript: Salva, Wood.
Critical revision of the manuscript for important intellectual content: All authors.
Administrative, technical, or material support: Salva, Bennett, Longley.
Study supervision: Wood.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by Merit Review funding from the US Department of Veterans Affairs (to Dr Wood) and the National Institutes of Health (NIH) T32AR055893 grant (to Dr Salva). The project was supported by the Clinical and Translational Science Award program, through the NIH National Center for Advancing Translational Sciences, grant UL1TR000427.
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.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.
Additional Contributions: Mary J. Lindstrom, PhD, Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, performed statistical analysis of our data. Erik Stratman, MD, Department of Dermatology, Marshfield Clinic, Marshfield, Wisconsin, contributed clinical data. Drs Lindstrom and Stratman were not compensated for their contributions.