Text and Data Mining valid from 2019-04-16
Received: 2 September 2018
Accepted: 29 March 2019
First Online: 16 April 2019
: The findings and conclusions expressed in this paper are entirely those of the authors and should not be attributed to the institutions to which the authors are affiliated.
: This analysis used de-identified secondary data from the Medical Expenditures Panel Survey (MEPS), as such did not require additional ethics approval.
: Not applicable
: The authors declare that they have no competing interests.
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