Published Online: June 12, 2013. doi:10.1001/jamadermatol.2013.727.
Study concept and design: White.
Acquisition of data: White.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: White.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Zhou, Burchette.
Administrative, technical, and material support: White.
Study supervision: White.
Conflict of Interest Disclosures: None reported.