Wojtowicz, Wojciech
Zabek, Adam
Deja, Stanislaw
Dawiskiba, Tomasz
Pawelka, Dorota
Glod, Mateusz
Balcerzak, Waldemar
Mlynarz, Piotr
Article History
Received: 19 April 2017
Accepted: 30 June 2017
First Online: 22 August 2017
Competing Interests
: The authors declare that they have no competing interests.