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Authors
Sistonen, Heli J. http://orcid.org/0000-0003-0224-9750
Ilmarinen, Taru
Atula, Timo http://orcid.org/0000-0002-6560-1128
Aro, Katri http://orcid.org/0000-0001-8103-5237
Schildt, Jukka
Markkola, Antti http://orcid.org/0000-0002-9779-1093
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Funding
Funding for this research was provided by:
Helsinki University Library
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Article History
Received: 20 January 2023
Accepted: 11 April 2023
First Online: 18 April 2023
Declarations
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: HUS – Helsinki University Hospital Regional Committee on Medical Research Ethics approved the study protocol, and an institutional study permission was granted (no 56§/9.5.2018; HUS/1092/2018 and no 63§/20.6.2018; HUS/66/2018). It has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Helsinki University Hospital Regional Committee on Medical Research Ethics waived the need for informed consent because of the retrospective nature of the study.
: Not applicable.
: On behalf of all authors, the corresponding author states that there are no financial or non-financial competing interests.
