Funding for this research was provided by:
Uniwersytet Przyrodniczy w Poznaniu (Internal sources (statutory funds))
Text and Data Mining valid from 2019-04-05
Received: 4 January 2019
Accepted: 26 March 2019
First Online: 5 April 2019
Ethics approval and consent to participate
: The study was approved by the Bioethics Committee at Poznan University of Medical Sciences (Poland) was granted for this study (decision No. 681/16 and 683/16 of 10 November 2016). All procedures were conducted in accordance with the ethical standards of the 1964 Helsinki Declaration, and written informed consent was obtained from all participants before the study began.
: Not applicable.
: The authors declare that they have no competing interests.
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