Kurlander, David E.
Brown, Matthew S.
Kaufman, Bram R.
Article History
Received: 16 October 2017
Accepted: 7 March 2018
First Online: 2 April 2018
Compliance with ethical standards
:
: David Kurlander, Matthew Brown, and Bram Kaufman declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this retrospective study, formal consent was not required.
: None.