Funding for this research was provided by:
Javna Agencija za Raziskovalno Dejavnost RS (J3-7177)
Received: 30 May 2020
Accepted: 27 October 2020
First Online: 4 November 2020
Ethics approval and consent to participate
: The current study was a part of a national project (ref: Slovenian Research Agency, Code: J3-7177), which was approved by the National Medical Ethics Committee on 29 November 2014 (No. 49/09/14).
: All authors consent to publication.
: The authors declare that they have no competing interests.