Kurzynska-Kokorniak, Anna
Pokornowska, Maria
Koralewska, Natalia
Hoffmann, Weronika
Bienkowska-Szewczyk, Krystyna
Figlerowicz, Marek
Article History
Received: 4 December 2015
Accepted: 15 March 2016
First Online: 5 April 2016
Competing interests
: The authors declare no competing financial interests.