Zimowski, Janusz G
Pawelec, Magdalena
Purzycka, Joanna K
Szirkowiec, Walentyna
Zaremba, Jacek
Article History
Received: 1 July 2016
Revised: 20 April 2017
Accepted: 26 May 2017
First Online: 6 July 2017
Competing interests
: The authors declare no conflict of interest.
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