Article History
Received: 31 July 2017
Accepted: 26 January 2018
First Online: 9 February 2018
Compliance with ethical standards
:
: None of the authors declare any conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: All study participants provided written informed consent prior their enrolment in the study.
: The study’s data set is available from the corresponding author at mkarekla@ucy.ac.cy. Participants gave informed consent for data sharing.