Funding for this research was provided by:
Pomorski Uniwersytet Medyczny W Szczecinie (Young Researcher Program)
Text and Data Mining valid from 2019-04-16
Received: 3 October 2018
Accepted: 1 April 2019
First Online: 16 April 2019
Ethics approval and consent to participate
: Ethics Committee of the Pomeranian Medical University in Szczecin approved the study conduct (KB-0012/71/15).
: not applicable
: The authors declare that they have no competing interests.
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