Accepted for Publication: September 18, 2013.
Published Online: June 4, 2014. doi:10.1001/jamadermatol.2013.8744.
Study concept and design: Zhu, Chang.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: Zhu, Chang.
Statistical analysis: Zhu, Chang.
Administrative, technical, or material support: All authors.
Study supervision: Zhu, Chang.
Conflict of Interest Disclosures: Dr Chang reported serving as a clinical investigator for studies sponsored by Infinity, Genentech, and Novartis. No other disclosures were reported.