Text and Data Mining valid from 2017-09-01
Received: 6 February 2016
Accepted: 22 August 2017
First Online: 1 September 2017
Ethics approval and consent to participate
: The study (No. 158200–06–347-88) has been approved by Vilnius Regional Biomedical Research Ethics Committee (Vilnius). All participants of the study have signed the informed consent to participate before study specific procedures have been started.
: Not applicable.
: The authors declare that they have no competing interests.
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