Stefanakis, Georgios http://orcid.org/0000-0002-7030-2894
Nyktari, Vasileia http://orcid.org/0000-0002-5863-3236
Papaioannou, Alexandra http://orcid.org/0000-0002-5710-4279
Askitopoulou, Helen http://orcid.org/0000-0001-7357-8290
Article History
Received: 18 August 2019
Accepted: 20 May 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.