Socha, Edyta
Koba, Marcin
Kośliński, Piotr
Article History
Received: 11 October 2018
Accepted: 22 January 2019
First Online: 6 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: For this type of study formal consent is not required. This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent obtaining for this type of study is not required.