Accepted for Publication: January 14, 2012.
Published Online: April 16, 2012. doi:10.1001/archdermatol.2012.107
Author Contributions: Drs Mühleisen and Hofbauer 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: Mühleisen and Hofbauer. Acquisition of data: Mühleisen, Petrov, Frigerio, and Hofbauer. Analysis and interpretation of data: Mühleisen, Frigerio, Dziunycz, French, and Hofbauer. Drafting of the manuscript: Mühleisen, Petrov, and Hofbauer. Critical revision of the manuscript for important intellectual content: Frigerio, Dziunycz, French, and Hofbauer. Obtained funding: Hofbauer. Administrative, technical, and material support: Mühleisen, Petrov, Frigerio, and Dziunycz. Study supervision: French and Hofbauer.
Financial Disclosure: None reported.
Funding/Support: This study was supported in part by the Baugarten Foundation, Zurich, Switzerland.
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: Christa Dudli, MSc, Barbara Fruet, MSc, and the dermatohistopathology team lent their technical skill and expertise to this project, and Valentin Rousson, PhD, Department of Biostatistics, Institute for Social and Preventive Medicine, University of Zurich, Switzerland, provided statistical advice. Mss Dudli and Fruet and Dr Rousson received no financial compensation for their services.