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Authors
Aae, Tommy Frøseth http://orcid.org/0000-0003-3643-0822
Lian, Øystein Bjerkestrand
Årøen, Asbjørn
Engebretsen, Lars
Randsborg, Per-Henrik
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Funding
Funding for this research was provided by:
Norges Forskningsråd (2015107)
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Article History
Received: 27 March 2019
Accepted: 23 April 2020
First Online: 8 May 2020
Ethics approval and consent to participate
: The study was conducted according to the World Association Declaration of Helsinki and was approved by the data protection officer of Helse Møre and Romsdal HF, Kristiansund Hospital, Norway (study no 2018/1357–11). As all data were based on already anonymized records, approval from the regional ethical committee was deemed not necessary.
: Not applicable.
: The authors declare that they have no competing interests.
