Karagiannis, Andreas
Varkarakis, John
Article History
First Online: 2 September 2019
Compliance with Ethical Standards
:
: Andreas Karagiannis and John Varkarakis each declares no potential conflicts of interest.
: All reported studies/experiments with human or animal subjects performed by the authors have been previously published and complied with all applicable ethical standards (including the Helsinki Declaration and its amendments, institutional/national research committee standards, and international/national/institutional guidelines).