Funding for this research was provided by:
National Heart, Lung, and Blood Institute (R01HL126041)
Lillehei Heart Institute, University of Minnesota
Received: 28 June 2018
Accepted: 11 March 2019
First Online: 28 March 2019
Ethics approval and consent to participate
: This methodological study was approved by the Institutional Review Board of the University of Minnesota.
: Not applicable.
: Dr. Hirsch (deceased) earned income from serving on a steering committee for an unrelated clinical trial sponsored by Bayer, which has no relationship to this research project. This relationship has been reviewed and managed by the University of Minnesota in accordance with its conflict of interest policies. No other authors report a conflict of interest.
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