Funding for this research was provided by:
Narodowe Centrum Nauki (2018/31/B/HS4/00164)
First Online: 19 February 2021
Compliance with ethical standards
: Authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. All authors contributed to the study conception and design. Material preparation and data collection were performed by Magdalena Szyszko. The analysis and code were done by Aleksandra Rutkowska. The first draft of the manuscript was written by Aleksandra Rutkowska, and Magdalena Szyszko commented on previous versions of the manuscript and made the interpretation of the results. All authors read and approved the final manuscript.