Accepted for Publication: November 11, 2013.
Published Online: March 12, 2014. doi:10.1001/jamadermatol.2013.9524.
Study concept and design: Cohen, Cotton, West, Kundu.
Acquisition of data: Cohen.
Analysis and interpretation of data: Cohen, Nardone, West, Kundu.
Drafting of the manuscript: Cohen.
Critical revision of the manuscript for important intellectual content: Cohen, Nardone, Cotton, West, Kundu.
Statistical analysis: Cohen.
Administrative, technical, and material support: Nardone, West, Kundu.
Study supervision: Kundu.
Conflict of Interest Disclosures: None reported.
Additional Contributions: Pranathi Lingam, MD, Northwestern University Feinberg School of Medicine, provided administrative support and assistance in editing the manuscript.