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*Correspondence: Maciej T. Malecki,
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In the published article, there was an error. The ‘Acknowledgement’ section was omitted when preparing the published version of the article. In this section we acknowledge the input made by a linguist when revising the manuscript during the review process. The new Acknowledgments section is written below.
The authors acknowledge the editorial assistance of Ms. Joana Mielko, School of Medicine in English, Jagiellonian University Medical College.
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.