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Authors
Ballin, Marcel
Antonsson, Oskar
Rosenqvist, Viktor
Nordström, Peter
Nordström, Anna
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Funding
Funding for this research was provided by:
Umea University
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Article History
Received: 21 October 2021
Accepted: 9 December 2021
First Online: 21 December 2021
Declarations
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: Ethics approval for the present study was obtained from the Regional Research Ethical Review Board of Umeå University, Sweden (no. 07-031 M with extensions). All participants provided written informed consent to participate and were made aware of their possibility to voluntarily terminate their participation at any time. The study was conducted in accordance with the World Medical Association’s Declaration of Helsinki.
: Not applicable.
: All authors declare that they have no conflict of interest.
