Kimak, Elżbieta
Zięba, Bartosz
Duma, Dariusz
Solski, Janusz
Funding for this research was provided by:
Uniwersytet Medyczny w Lublinie (DS1, DS 41, DS1, DS 41)
Article History
Received: 7 February 2018
Accepted: 25 March 2018
First Online: 4 April 2018
Ethics approval and consent to participate
: Written informed consents were obtained from all the participants. The study was approved by the Ethics Committee of the Medical University in Lublin, Poland (number KE-0254/66/2012) and conducted according to the principles outlined in the Declaration of Helsinki.
: Not applicable
: The authors declare that they have no competing interests.
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