Grammatikopoulou, Maria G. http://orcid.org/0000-0003-4167-6595
Gkiouras, Konstantinos http://orcid.org/0000-0002-6407-8494
Markaki, Anastasia
Theodoridis, Xenophon
Tsakiri, Vasiliki
Mavridis, Pantelis
Dardavessis, Theodore
Chourdakis, Michael http://orcid.org/0000-0002-9490-8356
Article History
Received: 24 January 2018
Accepted: 4 May 2018
First Online: 19 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts 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.
: Informed consent was obtained from all individual participants included in the study.