Published Online: February 26, 2014. doi:10.1001/jamadermatol.2013.7784.
Study concept and design: Cohen, Lumbang, Zwerner.
Acquisition of data: All authors.
Analysis and interpretation of data: Cohen, Lumbang, Zwerner.
Drafting of the manuscript: Cohen, Lumbang, Sosman.
Critical revision of the manuscript for important intellectual content: All authors.
Administrative, technical, and material support: Lumbang, Boyd, Sosman.
Study supervision: Zwerner.
Conflict of Interest Disclosures: Dr Sosman has served as a consultant to Bristol-Myers Squibb and Genentech and has received grant support from Genentech. No other disclosures are reported.