Document is current

Article History

Received: 9 December 2017

Accepted: 30 April 2018

First Online: 5 May 2018

Compliance with ethical standards

:

: Christos Iavazzo has no conflicts of interest or financial ties to disclose. Evelyn Eleni Minis has no conflicts of interest or financial ties to disclose. Ioannis D. Gkegkes has no conflicts of interest or financial ties to disclose.

: 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.

: Not applicable.