Iwanicka, Joanna http://orcid.org/0000-0002-3609-9554
Iwanicki, Tomasz http://orcid.org/0000-0003-0044-3162
Niemiec, Paweł
Balcerzyk, Anna http://orcid.org/0000-0002-1113-7796
Krauze, Jolanta
Górczyńska-Kosiorz, Sylwia
Ochalska-Tyka, Anna
Grzeszczak, Władysław
Żak, Iwona
Funding for this research was provided by:
Medical University of Silesia (KNW-1-014/N/4/0, KNW-1-017/N/5/0)
Article History
Received: 17 July 2018
Accepted: 28 August 2018
First Online: 3 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of the Medical University of Silesia in Katowice. All procedures are compiance with ethical standards.
: Informed consent was obtained from all individual participants included in the study.