Lange, Andrzej
Wodzińska-Maszko, Iwona
Pakos, Helena
Sobczyńska-Konefał, Anna
Lange, Janusz
Mordak-Domagała, Monika
Bocheńska, Jolanta
Jaskuła, Emilia
Article History
Received: 4 January 2019
Revised: 4 June 2019
Accepted: 20 June 2019
First Online: 27 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.