Funding for this research was provided by:
Javna Agencija za Raziskovalno Dejavnost RS (P3-0193)
Received: 7 June 2020
Accepted: 4 August 2020
First Online: 1 September 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the National Medical Ethic Committee (46/08/15). Written informed consent forms were collected from all subjects prior to participation.
: Authors report no conflicts of interest in connection with this article.