Gaitanidis, A.
Simopoulos, C.
Pitiakoudis, M.
Article History
Received: 3 June 2017
Accepted: 3 December 2017
First Online: 6 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: No ethical consent was required for the purposes of this study.
: No informed consent was required for the purposes of this study.