Accepted for Publication: December 13, 2011.
Published Online: April 2, 2012. doi:10.1001/archpediatrics.2011.1829
Author Contributions: All authors 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: Morell, Wolfe, Scheurer, Thiagarajan, Morin, Beke, Smoot, and Blume. Acquisition of data: Morell, Morin, Beke, and Blume. Analysis and interpretation of data: Morell, Wolfe, Scheurer, Smoot, Cheng, Gauvreau, and Blume. Drafting of the manuscript: Morell, Scheurer, Thiagarajan, Morin, Beke, and Blume. Critical revision of the manuscript for important intellectual content: Morell, Wolfe, Thiagarajan, Beke, Smoot, Cheng, Gauvreau, and Blume. Statistical analysis: Gauvreau. Obtained funding: Morell and Blume. Administrative, technical, and material support: Blume. Study supervision: Wolfe, Scheurer, Thiagarajan, Beke, Cheng, and Blume.
Financial Disclosure: None reported.
Funding/Support: This study was supported by the Heart Failure and Transplant Educational Fund (Dr Blume), the Kara Duclos Fund, and the Ghiso Fellowship for Compassionate Medical Care, Harvard Medical School (Ms Morell).