Kulus, Dariusz
Abratowska, Agnieszka
Mikuła, Anna
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (Iuventus Plus IP2014023373)
Article History
Received: 24 May 2017
Revised: 9 October 2017
Accepted: 14 December 2017
First Online: 22 December 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.