Washington University, St Louis, Missouri (Mr Bader); and Veterans Affairs Tennessee Valley Healthcare System, Nashville, and Vanderbilt University Medical Center, Nashville, Tennessee (Dr Bachmann).

Correspondence: Justin M. Bachmann, MD, MPH, Veterans Affairs Tennessee Valley Healthcare System, 2525 West End Ave, Ste 300-A, Nashville, TN 37203 ([email protected]).

Dr Bachmann reports consulting with ZOLL Medical, Inc (significant).

Dr Bachmann is supported by Career Development Award #1IK2HX003021 from the United States Department of Veterans Affairs, Veterans Health Administration, Office of Research and Development, Health Services Research and Development Service. 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 United States government.

All authors have read and approved submission of the manuscript and the manuscript has not been published and is not being considered for publication elsewhere in whole or part in any language. The manuscript was proofed and edited by a native English speaker. All authors meet the 4 ICMJE criteria for authorship.

The authors declare no conflicts of interest.