Study concept and design: Becker, Ben-Josef, Ross.
Acquisition of data: Becker, Ben-Josef, Ross.
Analysis and interpretation of data: Becker, Krumholz, Ross.
Drafting of the manuscript: Becker, Ross.
Critical revision of the manuscript for important intellectual content: Becker, Krumholz, Ben-Josef, Ross.
Statistical analysis: Becker, Ross.
Study supervision: Ross.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Drs Krumholz and Ross receive support from Medtronic to develop methods of clinical trial data sharing, from the Centers of Medicare & Medicaid Services to develop and maintain performance measures that are used for public reporting, and from the Food and Drug Administration to develop methods for postmarket surveillance of medical devices. Dr Krumholz reports that he chairs a scientific advisory board for UnitedHealthcare. Dr Ross reports that he is a member of a scientific advisory board for FAIR Health.
Funding/Support: This project was not supported by any external grants or funds. Dr Krumholz is supported by a National Heart, Lung, and Blood Institute Cardiovascular Outcomes Center Award (1U01HL105270-02). Dr Ross is supported by the National Institute on Aging (K08 AG032886) and by the American Federation for Aging Research through the Paul B. Beeson Career Development Award Program.
Previous Presentation: This study was presented at the Seventh International Congress on Peer Review and Biomedical Publication; Chicago, Illinois; September 9, 2013.