Donelan, Karen
Barreto, Esteban A.
Michael, Carie U.
Nordby, Peter
Smith, Maureen
Metlay, Joshua P.
Article History
First Online: 27 July 2018
Compliance with Ethical Standards
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: The authors declare that they do not have a conflict of interest.
: The views in this publication are solely the responsibility of the authors and do not necessarily represent the views of the PCORI, its Board of Governors, or Methodology Committee. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.