Behnke, Maciej http://orcid.org/0000-0002-2455-4556
Tomczak, Maciej
Kaczmarek, Lukasz D.
Komar, Marek
Gracz, Jacek
Article History
First Online: 23 June 2017
Compliance with Ethical Standards
:
: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
: 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.
: Author A declares that he has no conflict of interest. Author B declares that he has no conflict of interest. Author C declares that he has no conflict of interest. Author D declares that he has no conflict of interest. Author E declares that he has no conflict of interest.