Accepted for Publication: January 17, 2013.
Published Online: July 29, 2013. doi:10.1001/jamapediatrics.2013.186.
Study concept and design: Williams, Shah, Myers, Hall, Auger, Jerardi, Tieder.
Acquisition of data: Myers, Hall, Queen, Jerardi, McClain, Wiggleton, Tieder.
Analysis and interpretation of data: Williams, Shah, Myers, Hall, McClain, Wiggleton, Tieder.
Drafting of the manuscript: Williams, Myers, Hall, McClain, Tieder.
Critical revision of the manuscript for important intellectual content: Williams, Shah, Auger, Queen, Jerardi, Tieder.
Statistical analysis: Myers, Hall, McClain, Wiggleton.
Administrative, technical, and material support: Williams, Jerardi, Tieder.
Study supervision: Williams, Shah, Tieder.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grant KL2 RR24977 from the National Institutes of Health through the Vanderbilt Clinical and Translational Research Scholars Program (Dr Williams) and the Robert Wood Johnson Foundation under its Clinical Scholars Program (Dr Auger).
Additional Contributions: Ross Newman, MD, Jennifer Soper, MEd, Angela Statile, MD, and Connie Yau, BA, assisted with data collection.