Correction: This article was corrected online on May 9, 2016, to correct a typographic error in the text and data errors in eTables 4 and 6.
Study concept and design: Meeker, Linder, Fox, Friedberg, Persell, Goldstein, Hay, Doctor.
Acquisition, analysis, or interpretation of data: Meeker, Linder, Fox, Friedberg, Goldstein, Knight, Hay, Doctor.
Drafting of the manuscript: Meeker, Linder, Friedberg, Goldstein, Knight, Doctor.
Critical revision of the manuscript for important intellectual content: Meeker, Linder, Fox, Friedberg, Persell, Goldstein, Hay, Doctor.
Statistical analysis: Meeker, Linder, Knight, Hay, Doctor.
Obtained funding: Meeker, Linder, Fox, Doctor.
Administrative, technical, or material support: Meeker, Linder, Persell, Knight, Hay.
Study supervision: Meeker, Linder, Doctor.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This study was supported by the American Recovery & Reinvestment Act of 2009 (RC4 AG039115) from the National Institutes of Health/National Institute on Aging and Agency for Healthcare Research and Quality (Dr Doctor, University of Southern California). The project also benefited from technology funded by the Agency for Healthcare Research and Quality through the American Recovery & Reinvestment Act of 2009 (R01 HS19913-01) (Dr Ohno-Machado, University of California, San Diego). Data for the project were collected by the University of Southern California's Medical Information Network for Experimental Research (Med-INFER) which participates in the Patient Scalable National Network for Effectiveness Research (pSCANNER) supported by the Patient-Centered Outcomes Research Institute (PCORI), Contract CDRN-1306-04819 (Dr Ohno-Machado).
Role of the Funders/Sponsors: The funders/sponsors had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.
Additional Contributions: We gratefully acknowledge Dana Goldman, PhD (University of Southern California), for providing consultation; Laura Pearlman, SB (University of Southern California), for assistance with programming and data management; Kensey Pease, BA (University of Southern California), for general project support; Elisha Friesema, BA (Northwestern University), for supporting protocol development; Alan Rothfeld, MD (COPE Health Solutions), Felix Carpio, MD (AltaMed Health Services), Michael Hochman, MD (AltaMed Health Services), Sarita Mohanty, MD (LA Care), and Maria Chandler, MD (The Children’s Clinic of Long Beach and Memorial Care Hospital), for clinical management at the participating Los Angeles practices; and Caroline Birks, MD (Partners Healthcare System and Massachusetts General Hospital), for assisting with clinical management of the participating Boston practices. Dr Goldman, Ms Pearlman, Ms Friesema, Dr Mohanty, Dr Chandler, Dr Birks, and Dr Rothfeld received compensation for their roles in the study.