Accepted for Publication: February 13, 2014.
Published Online: April 2, 2014. doi:10.1001/jamadermatol.2014.324.
Study concept and design: Eshagh, Paller.
Acquisition of data: All authors.
Analysis and interpretation of data: Becker, Eshagh, Paller.
Drafting of the manuscript: Becker, Eshagh, Paller.
Critical revision of the manuscript for important intellectual content: All authors.
Administrative, technical, and material support: Becker, Tom, Eshagh, Benjamin.
Study supervision: Eshagh, Paller.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Tom’s salary related to inflammatory skin disease research is supported, in part, by Career Development Award K23AR060274 from the National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS).
Role of the Sponsor: The NIAMS had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Katherine Mercy, MD, assisted with data collection; Bing Bing (Sarah) Weitner, MS, with statistical analysis; and Dennis West, PhD, with study supervision; all are from Northwestern University Feinberg School of Medicine and are salaried.