Funding for this research was provided by:
This work was support by a research grants from the Pedagogical Faculty of the University of Rzeszow
Article History
First Online: 28 November 2018
Compliance with Ethical Standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest. This manuscript has not been published and is not under consideration for publication elsewhere. We have no conflicts of interest in disclosing it. The paper has been approved by all co-authors.
: All procedures performed in the 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 other comparable ethical standards. This article does not contain any study with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study. The datasets generated and/or analyzed during the current study are available from the corresponding author upon request.