Author Contributions: Dr Burt had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Burt, Traynor, Rosa, Schroeder.
Acquisition of data: Burt, Traynor, Statkute, Barr, Rosa, Verda, Krosnjar, Quigley, Yaung, Villa, Takahashi, Jonanovic, Oyama.
Analysis and interpretation of data: Burt, Traynor, Statkute, Jonanovic, Oyama.
Drafting of the manuscript: Burt, Traynor, Rosa, Verda, Krosnjar, Quigley, Yaung, Villa, Takahashi, Oyama.
Critical revision of the manuscript for important intellectual content: Burt, Traynor, Statkute, Barr, Schroeder, Verda, Jonanovic, Oyama.
Statistical analysis: Verda, Takahashi, Jonanovic.
Obtained funding: Burt.
Administrative, technical, or material support: Burt, Rosa, Schroeder, Krosnjar, Quigley, Yaung, Villa, Takahashi.
Study supervision: Burt, Traynor, Statkute, Oyama.
Financial Disclosures: None reported.
Funding/Support: We wish to thank the BraveWings Foundation and Ginger's Tomorrow Foundation for financial and patient support.
Role of the Sponsor: The funding organizations had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; or in the preparation, review, or approval of the manuscript.