Accepted for Publication: October 8, 2011.
Author Contributions: Ms Rork and Dr Sheehan 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: Sheehan, Timmons, Schneider, and Phipatanakul. Acquisition of data: Rork, Sheehan, Timmons, Schneider, and Phipatanakul. Analysis and interpretation of data: Rork, Sheehan, Gaffin, Sidbury, and Phipatanakul. Drafting of the manuscript: Rork, Sheehan, and Phipatanakul. Critical revision of the manuscript for important intellectual content: Rork, Sheehan, Gaffin, Timmons, Sidbury, Schneider, and Phipatanakul. Statistical analysis: Sheehan and Gaffin. Administrative, technical, and material support: Rork, Sheehan, Timmons, Sidbury, Schneider, and Phipatanakul. Study supervision: Sheehan and Phipatanakul.
Financial Disclosure: Dr Schneider receives research funding from Astellas Pharma US Inc. Dr Phipatanakul receives research grants from Astra Zeneca. Dr Sidbury is involved in a multicenter trial sponsored by Pierre Fabre.
Funding/Support: The study not funded by outside sources, but Dr Phipatanakul receives research support from the National Institutes of Health, grants R01 AI 073964 and R01 AI 073964-02s1.