Funding for this research was provided by:
Uniwersytet Medyczny w Lodzi ((project no 503/6– 029-07/503–61–002-18)
Text and Data Mining valid from 2020-05-06
Received: 6 September 2019
Accepted: 25 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: The research project was granted an approval of the Bioethics Committee of the Medical University of Lodz on 22 May 2012 No. RNN/422/12/KB.
: Not applicable.
: The authors declare that they have no competing interests.