Submitted for Publication: August 5, 2014; final revision received October 1, 2014; accepted October 29, 2014.
Published Online: January 29, 2015. doi:10.1001/jamaoto.2014.3581.
Study concept and design: O’Reilly, Yoo, He.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: O’Reilly, Tonb, Yoo, He.
Critical revision of the manuscript for important intellectual content: O’Reilly, Soundar, Tonb, Bolling, Nadal, Grindle, Field, He.
Statistical analysis: Tonb, He.
Obtained funding: He.
Administrative, technical, or material support: Soundar, Tonb, Bolling, Nadal.
Study supervision: Grindle, He.
Carrying out experiments: Soundar, Tonb, Bolling, Nadal.
Conflict of Interest Disclosures: None reported.
Funding/Support: Funding for this study was provided by the Nemours Foundation.
Role of the Funder/Sponsor: The Nemours Foundation had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.