Szparaga, Agnieszka
Kocira, Sławomir
Findura, Pavol
Kapusta, Ireneusz
Zaguła, Grzegorz
Świeca, Michał
Article History
Received: 16 February 2021
Accepted: 15 July 2021
First Online: 28 July 2021
Competing interests
: The authors declare no competing interests.