Pyra, Anna
Brzozowska, Ewa
Pawlik, Krzysztof
Gamian, Andrzej
Dauter, Miroslawa
Dauter, Zbigniew
Article History
Received: 8 February 2017
Accepted: 11 April 2017
First Online: 22 May 2017
Competing Interests
: The authors declare that they have no competing interests.