Accepted for Publication: July 25, 2014.
Published Online: September 11, 2014. doi:10.1001/jamadermatol.2014.2526.
Study concept and design: Spoerri, Itin, Burger.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Spoerri.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Brena.
Administrative, technical, or material support: Spoerri, Schlipf, Burger.
Study supervision: Spoerri, Fischer, Tadini, Itin, Burger.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented as a poster at the 44th Annual European Society for Dermatological Research Meeting, Copenhagen; September 10-13, 2014; Copenhagen, Denmark.
Additional Contributions: We thank all patients for participating and making this study possible, as well as Rosaria De Lorenzo for her considerable support in clinical investigation and communication and Hedwig Wariwoda for her technical expertise. Financial compensation was not provided for their contributions.