Funding for this research was provided by:
The Ministry of Science and Higher Education (No. 615507.00)
Received: 27 March 2018
Accepted: 22 November 2018
First Online: 3 December 2018
Ethics approval and consent to participate
: The study was approved by the Bioethical Commission of the Faculty of Medicine and Health Sciences of the Jan Kochanowski University in Kielce, operating in accordance with the principles of Good Clinical Practice (opinion number: 6/2014). The participants were informed in detail about the purpose and manner of the research, as well as the right to withdraw from the study at any time. All participants gave their written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interest.
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