Blontzos, Nikolaos http://orcid.org/0000-0002-6649-0810
Vafias, Evangelos http://orcid.org/0000-0002-8467-2933
Vorgias, George http://orcid.org/0000-0002-3106-6788
Kalinoglou, Nikolaos
Iavazzo, Christos http://orcid.org/0000-0003-2119-4599
Article History
Received: 27 May 2018
Accepted: 22 August 2019
First Online: 5 September 2019
Compliance with ethical standards
:
: We declare that we do not have any conflict of interest.
: Informed consent was obtained from all alive individual participants or, in case of deceased patients, from their next of kin.