Wierdak, Mateusz
Pisarska, Magdalena
Kuśnierz-Cabala, Beata
Witowski, Jan
Dworak, Jadwiga
Major, Piotr
Małczak, Piotr
Ceranowicz, Piotr
Budzyński, Andrzej
Pędziwiatr, Michał http://orcid.org/0000-0001-9073-2667
Article History
Received: 24 July 2017
Accepted: 3 January 2018
First Online: 16 January 2018
Compliance with ethical standards
:
: Mateusz Wierdak, Magdalena Pisarska, Beata Kuśnierz-Cabala, Jan Witowski, Jadwiga Dworak, Piotr Major, Piotr Małczak, Piotr Ceranowicz, Andrzej Budzyński, Michał Pędziwiatr declare that they have no conflicts of interest or financial ties to disclose.