Accepted for Publication: September 7, 2011.
Published Online: November 21, 2011. doi:10.1001/archdermatol.2011.354
Author Contributions: Drs Tee, Y. C. Chan, and Y. H. Chan 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: Yosipovitch, Y. C. Chan, and S. H. Tan. Acquisition of data: Y. C. Chan, Chua, Koh, S. S. S. Tan, Tsou, and S. H. Tan. Analysis and interpretation of data: Tee, Y. C. Chan, Y. H. Chan, and S. H. Tan. Drafting of the manuscript: Tee, Yosipovitch, and Koh. Critical revision of the manuscript for important intellectual content: Tee, Yosipovitch, Y. C. Chan, Chua, Y. H. Chan, S. S. S. Tan, Tsou, and S. H. Tan. Statistical analysis: Y. H. Chan. Obtained funding: Y. C. Chan and S. H. Tan. Administrative, technical, and material support: Tee, Yosipovitch, Y. C. Chan, Chua, Koh, Tsou, and S. H. Tan. Study supervision: Yosipovitch, Y. C. Chan, and S. H. Tan.
Financial Disclosure: None reported.
Funding/Support: This study was supported in part by research grant NMRC/0505/2000 from the National Medical Research Council of Singapore.
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 are indebted to June Yip and Bee Yin Wong.