Text and Data Mining valid from 2019-11-07
Received: 10 November 2018
Accepted: 24 October 2019
First Online: 7 November 2019
Compliance with Ethical Standards
: The authors Athanasia Printza, MD, MSc, PhD; Stefanos Triaridis, MD, MSc, PhD; Maria Kalaitzi, MSc; Ioannis Nikolaidis, MD, PhD; Christos Bakirtzis, MD, PhD; Jannis Constantinidis, MD, PhD; and Nikolaos Grigoriadis, MD, PhD declare that there is no conflict of interest related to this paper.
: This study was performed in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments and had Institutional review Board approval.