Paapsi, Keiu http://orcid.org/0000-0003-1458-3254
Baburin, Aleksei
Mikkel, Sirje
Mägi, Margit
Saks, Kadri
Innos, Kaire
Funding for this research was provided by:
Eesti Teadusagentuur (IUT5-1)
Article History
Received: 20 August 2019
Accepted: 30 December 2019
First Online: 10 January 2020
Ethics approval and consent to participate
: The study protocol was approved by the Tallinn Medical Research Ethics Committee. The study was performed in accordance with the Declaration of Helsinki. Consent to participate was not required as registry data with no personal identifiers was used and no subjects were contacted in person. All data were were either public or available for research upon request without permission.
: Not applicable.
: The authors declare that they have no competing interests.