Prommik, Pärt http://orcid.org/0000-0003-3603-4918
Tootsi, Kaspar
Saluse, Toomas
Strauss, Eiki
Kolk, Helgi
Märtson, Aare
Article History
Received: 29 May 2021
Accepted: 8 December 2021
First Online: 7 January 2022
Declarations
:
: All the study’s methods were performed in accordance with the Declaration of Helsinki and approved by the Research Ethics Committee of the University of Tartu on 17 June 2013 (reference 227/T-12) and by the Estonian Data Protection Inspectorate for the use of personalised data on 1 December 2017 (reference 2.2.-1/17/47). Informed consent was not required by the Research Ethics Committee of the University of Tartu for this retrospective cohort study.
: Not applicable.
: The authors declare that they have no competing interests.