Ellert-Miklaszewska, A
Wisniewski, P
Kijewska, M
Gajdanowicz, P
Pszczolkowska, D
Przanowski, P
Dabrowski, M
Maleszewska, M
Kaminska, B
Article History
Received: 3 September 2015
Revised: 17 January 2016
Accepted: 2 February 2016
First Online: 4 April 2016
Competing interests
: The authors declare no conflict of interest.