Beletsioti, Chrysoula http://orcid.org/0000-0003-1310-8320
Niakas, Dimitris
Funding for this research was provided by:
1st Regional Health Authority of Attica
Greek Ministry of Health
Article History
Accepted: 22 August 2019
First Online: 28 August 2019
Compliance with ethical standards
:
: The authors declare that no competing interests exist.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. No physical samples were collected as part of this study. The 2003 study protocol was approved by the Review Board of the Hellenic Open University and the 2016 study protocol by the Ethics Committee of the 1st Regional Health Authority of Attica.
: Informed consent was obtained from all individual participants included in the study.