Accepted for Publication: August 26, 2014.
Published Online: December 17, 2014. doi:10.1001/jamadermatol.2014.3438.
Study concept and design: Günther.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Günther, Berndt, Wolf.
Critical revision of the manuscript for important intellectual content: Günther, Lee-Kirsch.
Statistical analysis: Günther, Berndt, Wolf.
Obtained funding: Günther, Lee-Kirsch.
Administrative, technical, or material support: Günther.
Study supervision: Günther.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by grants from the Deutsche Forschungsgemeinschaft (LE 1074/3-1 and LE 1074/4-1 [Dr Lee-Kirsch] and GU 1212/1-1 and GU 1212/1-2 [Dr Günther]) and the Friede Springer Stiftung (Dr Lee-Kirsch).
Role of the Funder/Sponsor: The sponsors had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We are indebted to the patients for their participation in the study. Nick Zimmermann and Peggy Binkenstein (Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden) provided excellent technical assistance. They received no financial compensation for their services.