Funding for this research was provided by:
Consumers, Health and Food Executive Agency (664367)
Text and Data Mining valid from 2018-11-12
Received: 31 January 2018
Accepted: 23 October 2018
First Online: 12 November 2018
Ethics approval and consent to participate
: The research was performed in accordance with the Declaration of Helsinki for Human Research of the World Medical Association and was approved by the Bioethics Commission of the Medical University in Wroclaw, Poland; Approval No. KB-502/2015.
: No identifying information on any individual’s data is presented in this paper. All participants gave written informed consent.
: The authors declare that they have no competing interests.
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