Accepted for Publication: September 22, 2012.
Published Online: December 17, 2012. doi:10.1001/jamadermatol.2013.1871
Author Contributions: Drs Harris and Tristani-Firouzi had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Harris, Bowen, Hadley, and Tristani-Firouzi. Acquisition of data: Harris, Curtis, Calder, Duffy, Bowen, and Hadley. Analysis and interpretation of data: Harris, Larsen, Bowen, and Hadley. Drafting of the manuscript: Harris, Curtis, Larsen, and Hadley. Critical revision of the manuscript for important intellectual content: Calder, Duffy, Bowen, Hadley, and Tristani-Firouzi. Statistical analysis: Harris. Obtained funding: Harris. Administrative, technical, and material support: Harris, Curtis, Larsen, Calder, Duffy, Hadley, and Tristani-Firouzi. Study supervision: Bowen, Hadley, and Tristani-Firouzi.
Conflict of Interest Disclosures: None reported.
Funding/Support: The University of Utah Study Design and Biostatistics Center is funded in part by the Public Health Services research grants UL1-RR025764 and C06-RR11234 from the National Center for Research Resources.
Additional Contributions: Justin Endo, MD (Department of Dermatology, University of Wisconsin, Madison), helped with the study concept and design; Lisa Estrada (Department of Dermatology, University of Utah) helped with logistical support of the study; and Greg Stoddard, MS (University of Utah Study Design and Biostatistics Center), offered guidance with statistical analyses.
Additional Information: In memory of KaLynne Harris, MD.