Accepted for Publication: July 20, 2012.
Author Contributions: Drs Scharschmidt, Amerson, and Shinkai 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: Scharschmidt, Amerson, and Shinkai. Acquisition of data: Scharschmidt, Rosenberg, Jacobs, McCalmont, and Shinkai. Analysis and interpretation of data: Scharschmidt, Amerson, Rosenberg, and Shinkai. Drafting of the manuscript: Scharschmidt and Shinkai. Critical revision of the manuscript for important intellectual content: Rosenberg, Amerson, Jacobs, McCalmont, and Shinkai. Study supervision: Amerson, McCalmont, and Shinkai.
Conflict of Interest Disclosures: Dr McCalmont receives an honorarium as editor of the Journal of Clinical Pathology.
Funding/Support: Dr Scharschmidt is supported by a grant from the Dermatology Foundation, Dr Amerson is supported by a grant from the National Cancer Institute, Dr Rosenberg is supported by grants from the Sandler Family Foundation and from the National Institute of Allergy and Infectious Diseases, and Dr Shinkai is supported by a grant from the Dermatology Foundation.
Additional Contributions: James P. Harnisch, MD, provided critical review of this manuscript.