Funding for this research was provided by:
National Institutes of Health (T32GM086270)
Washington State Society of Anesthesiologists
Text and Data Mining valid from 2018-05-04
Received: 30 January 2018
Accepted: 6 April 2018
First Online: 4 May 2018
Ethics approval and consent to participate
: The University of Washington Human Subjects Division reviewed this study and determined that it is not a human subject research.
: We have permission from Premera Blue Cross insurance company to publish this analysis.
: The authors declare that they have no competing interests.
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