Author Contributions: Study concept and design: Shrank, Choudhry, Swanton, Jain, Harlam, and Patel. Acquisition of data: Shrank, Swanton, and Patel. Analysis and interpretation of data: Shrank, Choudhry, Swanton, Greene, Harlam, and Patel. Drafting of the manuscript: Shrank, Swanton, and Patel. Critical revision of the manuscript for important intellectual content: Choudhry, Jain, Greene, Harlam, and Patel. Statistical analysis: Shrank, Choudhry, Harlam, and Patel. Obtained funding: Shrank and Harlam. Administrative, technical, and material support: Shrank, Swanton, and Jain. Study supervision: Shrank and Harlam.
Financial Disclosure: None reported.
Funding/Support: This work is supported by a research grant from CVS Caremark and a career development award from the National Heart, Lung, and Blood Institute (K23HL090505-01) (Dr Shrank).