Frangež, Ž.
Seyed Jafari, S. M.
Hunger, R. E.
Simon, H.-U.
Article History
Received: 8 July 2020
Revised: 8 July 2020
Accepted: 12 July 2020
First Online: 27 October 2020
Ethics declarations
: The authors declare no conflict of interest in financial or any other sphere. All the procedures carried out in the research with participation of humans were in compliance with the ethical standards of the institutional and/or national ethics committee and with the Helsinki Declaration of 1964 and its subsequent changes or with comparable ethics standards. Informed voluntary consent was obtained from every participant of the study.