Tzanis, Eleftherios
Tsetis, Dimitrios
Kehagias, Elias
Ioannou, Christos V.
Damilakis, John
Article History
Received: 26 September 2018
Accepted: 20 December 2018
First Online: 23 January 2019
Compliance with ethical standards
:
: The authors declared 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.