Jagielski, Mateusz
Smoczyński, Marian
Adrych, Krystian
Article History
Received: 13 September 2017
Accepted: 3 January 2018
First Online: 17 January 2018
Compliance with ethical standards
:
: Mateusz Jagielski, Marian Smoczyński, and Krystian Adrych have no conflicts of interest or financial ties to disclose.