Funding for this research was provided by:
Lietuvos Mokslo Taryba (S-MIP-17-14)
Text and Data Mining valid from 2019-08-07
Received: 30 August 2018
Accepted: 30 July 2019
First Online: 7 August 2019
Ethics approval and consent to participate
: The study was approved by Kaunas Regional Biomedical Research Ethics Committee (Approval No. BE-2-16). A market research agency conducted a telephone survey, during which a person was first asked whether he agreed to take part in the survey and received a verbal informed consent from study participants that was approved by the ethics committee.
: Not Applicable.
: The authors declare that they have no competing interests.