Text and Data Mining valid from 2019-09-11
Received: 5 November 2018
Revised: 14 May 2019
Accepted: 16 August 2019
First Online: 11 September 2019
Compliance with Ethical Standards
: The authors declare that they do not have a conflict of interest.
: IRB approval was not needed, as this project used publicly available, de-identified California Health Interview Survey data from the University of California, Los Angeles.
: The views expressed in this article are those of the authors and do not necessarily reflect the position or policy of the Department of Veterans Affairs or the US government.