Kaczmarzyk, Tomasz
Kisielowski, Konrad
Koszowski, Rafał
Rynkiewicz, Magdalena
Gawełek, Ewa
Babiuch, Karolina
Bednarczyk, Anna
Drozdzowska, Bogna
Funding for this research was provided by:
Śląski Uniwersytet Medyczny (KNW-1-142/N/5/0)
Article History
Received: 6 November 2017
Accepted: 22 February 2018
First Online: 5 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.