Accepted for Publication: March 29, 2012.
Published Online: June 18, 2012. doi:10.1001 /archdermatol.2012.1401
Author Contributions: Drs Azfar and Seminara 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, and are co–first authors. Study concept and design: Azfar, Margolis, and Gelfand. Acquisition of data: Azfar, Seminara, Shin, Margolis, and Gelfand. Analysis and interpretation of data: Azfar, Seminara, Shin, Troxel, and Gelfand. Drafting of the manuscript: Azfar and Seminara. Critical revision of the manuscript for important intellectual content: Azfar, Seminara, Shin, Troxel, Margolis, and Gelfand. Statistical analysis: Azfar, Seminara, Shin, and Troxel. Obtained funding: Azfar, Seminara, Margolis, and Gelfand. Administrative, technical, and material support: Azfar and Shin. Study supervision: Margolis and Gelfand.
Financial Disclosure: Dr Margolis is on the data safety monitoring boards for Abbott, Astellas, and Centocor. Dr Gelfand has received grants from Amgen, Pfizer, Novartis, and Abbott, and is a consultant for Amgen, Abbott, Pfizer, Novartis, Celgene, and Centocor.
Funding/Support: This work was supported by the National Institute for Arthritis and Musculoskeletal and Skin Diseases grant No. F32-AR056799 to Dr Azfar, the National Heart, Lung, and Blood institute (NHLBI) grant No. 3R01HL089744-01A2S1 to Dr Seminara, grant No. NHLBI R01HL089744-03 to Dr Gelfand, and a T32 University of Pennsylvania dermatology departmental training grant to Dr Seminara and Mr Shin.