Kamińska, Monika
Tretyn, Andrzej
Trejgell, Alina
Funding for this research was provided by:
This project was supported by fund from Ministry of Science and Higher Education (PL) for Nicolaus Copernicus University in Toruń
Article History
Received: 18 May 2018
Accepted: 20 August 2018
First Online: 24 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.