Text and Data Mining valid from 2020-01-15
Received: 10 October 2019
Accepted: 27 December 2019
First Online: 15 January 2020
Ethics approval and consent to participate
: Ethics approval for this study was granted by the Ethics Committee Medical Center “Sveti Naum”. All participants signed an informed consent before initiating the study procedures.
: Not applicable.
: The authors declare that they have no competing interests.