Accepted for Publication: January 27, 2013.
Published Online: May 29, 2013. doi:10.1001/jamadermatol.2013.722.
Study concept and design: Jensen, Zachariae, Geiker, Schaadt, Astrup, and Skov.
Acquisition of data: Jensen, Zachariae, Schaadt, and Skov.
Analysis and interpretation of data: Jensen, Zachariae, Christensen, Schaadt, Stender, Hansen, and Astrup.
Drafting of the manuscript: Jensen, Christensen, Hansen, and Skov.
Critical revision of the manuscript for important intellectual content: Jensen, Zachariae, Christensen, Geiker, Stender, Hansen, Astrup, and Skov.
Statistical analysis: Christensen.
Obtained funding: Jensen and Skov.
Administrative, technical, or material support: Jensen, Zachariae, Geiker, Stender, and Skov.
Study supervision: Zachariae, Astrup, and Skov.
Conflicts of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by Cambridge Manufacturing Company Limited, the Michaelsen Foundation, the Aase and Ejnar Danielsen Foundation, the Research Foundation of the Danish Academy of Dermatology, the Danish Agriculture and Food Council, the Jacob Madsen and Olga Madsen Foundation, the Danish Psoriasis Research Foundation, and the Medical Research Foundation of the Capital Region of Denmark. The Parker Institute is supported by unrestricted grants from the Oak Foundation.
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: We thank the patients who participated in the study. Beatrice Dyring-Andersen, MD, Mette Gyldenløve, MD, Marianne Løvendorf, MSc, Helle Rasmussen, MSc, Lena Larsson, MSc, and the staff of the departments of Dermatology, Clinical Physiology and Nuclear Medicine, and Clinical Biochemistry, Copenhagen University Hospital Gentofte, also provided assistance.
Correction: This article was corrected online June 6, 2013, for errors in the tables.