Text and Data Mining valid from 2019-12-01
Received: 12 July 2019
Accepted: 5 November 2019
First Online: 11 December 2019
Ethics approval and consent to participate
: This retrospective study received an exemption from the Institutional Review Board at Hurley Medical Center, Flint, Michigan.
: All the authors consent for publication of this manuscript.
: The authors declare that they have no competing interests.