Lechowicz, Urszula
Gambin, Tomasz
Pollak, Agnieszka
Podgorska, Anna
Stawinski, Piotr
Franke, Andre http://orcid.org/0000-0003-1530-5811
Petersen, Britt-Sabina http://orcid.org/0000-0001-9022-9017
Firczuk, Malgorzata
Oldak, Monika
Skarzynski, Henryk
Ploski, Rafal
Article History
Received: 31 October 2016
Accepted: 10 April 2017
First Online: 31 May 2017
Competing Interests
: The authors declare that they have no competing interests.