Published Online: October 7, 2013. doi:10.1001/jamainternmed.2013.11109.
Study concept and design: Rechenmacher, Jurewitz, Schaefer.
Acquisition of data: Stripe, Rechenmacher, Jurewitz, Lee, Schaefer.
Analysis and interpretation of data: Stripe, Rechenmacher, Schaefer.
Drafting of the manuscript: Stripe, Rechenmacher, Schaefer.
Critical revision of the manuscript for important intellectual content: Stripe, Rechenmacher, Jurewitz, Lee, Schaefer.
Statistical analysis: Stripe, Rechenmacher, Lee.
Administrative, technical, or material support: Rechenmacher, Schaefer.
Study supervision: Rechenmacher, Jurewitz, Schaefer.
Funding/Support: The project described was supported by the National Center for Advancing Translational Sciences, National Institutes of Health, through grant #UL1 TR000002.
Role of the Sponsor: The funding agency had no role in design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: Blythe Durbin-Johnson, PhD, provided statistical analysis. Ayan Patel, MS, performed set up of the REDCap database. Neither was compensated for their work on this project, but they were paid by the sponsor to provide statistical support.