Accepted for Publication: March 27, 2013.
Published Online: July 3, 2013. doi:10.1001/jamadermatol.2013.4711.
Study concept and design: Sartori-Valinotti, Bruce, Krotova Khan.
Acquisition of data: Sartori-Valinotti, Krotova Khan.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Sartori-Valinotti, Beatty.
Critical revision of the manuscript for important intellectual content: All authors.
Administrative, technical, and material support: Krotova Khan.
Study supervision: Bruce, Beatty.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by an Edward C. Rosenow Endowed Professorship Internal Medicine Residency Award, an intramural grant from the Department of Internal Medicine, Mayo Clinic, Rochester (Dr Sartori-Valinotti).