Faculty of Health Sciences, University of Maribor, Zitna ulica 15, 2000 Maribor, Slovenia. gregor.stiglic@uni-mb.si|Faculty of Health Sciences, University of Maribor, Zitna ulica 15, 2000 Maribor, Slovenia. gregor.stiglic@uni-mb.si|Faculty of Health Sciences, University of Maribor, Zitna ulica 15, 2000 Maribor, Slovenia. gregor.stiglic@uni-mb.si