Article History
Received: 21 October 2020
Revised: 24 November 2020
Accepted: 30 November 2020
First Online: 2 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This is a review article and does not contain confidential patient results. The example used in the paper is from a publicly available source; hence, the study is exempt from institutional board approval.
: The paper is a review paper. Hence, there is no need for informed consent. The data used as an example is publicly available.
: This material is the result of work supported with services and facilities made available at the Louis Stokes Cleveland VA Medical Center. 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.