Funding for this research was provided by:
Narodowe Centrum Nauki (2017/01/X/NZ7/00364)
Article History
First Online: 12 July 2018
Compliance with Ethical Standards
:
: This work was supported by the National Science Centre, Poland, under Grant 2017/01/X/NZ7/00364.
: Dorota Danielak, Marta Karaźniewicz-Łada, and Franciszek Główka declare that they have no conflicts of interest that might be relevant to the contents of this manuscript.