Text and Data Mining valid from 2019-11-20
Received: 18 September 2018
Accepted: 10 September 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee for Biomedical Research at Lithuanian University of Health Sciences (LUHS) (Number – BE-2−/13). All subjects provided written informed consent in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.