Accepted for Publication: July 24, 2013.
Published Online: February 26, 2014. doi:10.1001/jamadermatol.2013.7124.
Study concept and design: Guy, Berkowitz, Holman, Richardson.
Acquisition of data: Guy, Berkowitz.
Analysis and interpretation of data: Guy, Berkowitz, Tai, Everett Jones, Richardson.
Drafting of the manuscript: Guy, Everett Jones.
Critical revision of the manuscript for important intellectual content: Guy, Berkowitz, Tai, Holman, Richardson.
Statistical analysis: Guy, Berkowitz, Everett Jones.
Administrative, technical, or material support: Tai, Everett Jones, Richardson.
Study supervision: Guy, Richardson.
Conflict of Interest Disclosures: None reported.
Disclaimer: The findings and conclusions in this paper are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.