Author Contributions: Dr Masten 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: Masten, Foss, Marshall.
Acquisition of data: Masten, Foss.
Analysis and interpretation of data: Masten, Foss, Marshall.
Drafting of the manuscript: Masten, Foss.
Critical revision of the manuscript for important intellectual content: Masten, Foss, Marshall.
Statistical analysis: Masten, Marshall.
Administrative, technical, or material support: Masten, Foss.
Study supervision: Masten, Foss, Marshall.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Online-Only Material: The Author Interview is available here.
Additional Contributions: We thank Andres Villaveces, MD, PhD, David Richardson, PhD, and Lewis Margolis, MD, MPH, for their review of the study design and manuscript as members of Dr Masten's dissertation committee at the University of North Carolina at Chapel Hill. These individuals received no compensation for their contributions.