english: After the fourth rejection, we requested reconsideration of the manuscript, because we strongly suspected that one of the reviewers who had rejected it had a financial conflict of interest in a competing technology.
non_english: Po štvrtom odmietnutí sme požiadali o prehodnotenie rukopisu, pretože sme mali silný dojem, že jeden recenzent, ktorý ho zamietol, mal finančný konflikt záujmov v konkurenčnej technológii.