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Authors
Ojamaa, Kristiina http://orcid.org/0000-0003-1990-5670
Innos, Kaire
Baburin, Aleksei
Everaus, Hele
Veerus, Piret
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Funding
Funding for this research was provided by:
Eesti Teadusagentuur (IUT5-1)
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Article History
Received: 24 May 2018
Accepted: 29 October 2018
First Online: 7 November 2018
Ethics approval and consent to participate
: The study protocol was approved by the Tallinn Medical Research Ethics Committee (decision no. 284). No consent was required as registry data with no personal identifiers was used. These data were either public or available for research upon request without permission.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
