Funding for this research was provided by:
Eesti Teadusagentuur (PRG1054, IUT No. 2-7, PUT PRG685, PRG435, IUT No. 20-42, PUT No. 1169)
European Regional Development Fund (Project No. 2014-2020.4.01.15-0012)
Received: 15 April 2020
Accepted: 27 August 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: Signed informed consent was obtained from each patient. The research protocol of our study was approved by the Research Ethics Committee of the University of Tartu (Protocol’s No. 252/M-24).
: Not applicable.
: The authors declare that they have no competing interests.