Bochenek, D. http://orcid.org/0000-0003-0608-2505
Niemiec, P. http://orcid.org/0000-0001-5515-9527
Adamczyk, M. http://orcid.org/0000-0003-2920-2880
Szafraniak-Wiza, I. http://orcid.org/0000-0003-0510-9286
Article History
Received: 3 December 2017
Accepted: 21 March 2018
First Online: 26 March 2018
Compliance with ethical standards
:
: This contribution has been approved by all coauthors, it has not been published before, it is not under consideration for publication anywhere else, and there is no conflict of interest.