Mavroudis, Ioannis A. http://orcid.org/0000-0001-9844-4010
Petridis, Foivos
Chatzikonstantinou, Symela
Karantali, Eleni
Kazis, Dimitris
Article History
Received: 31 August 2019
Accepted: 18 December 2019
First Online: 14 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The present study is a meta-analysis of previous studies and therefore no ethical approval needed. All the studies included had taken ethical approval
: The present study were carried out with full respect to human rights.
: We confirm that the present study is based on the analysis of other studies which had obtained informed consent for all individuals.