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Authors
Niinivirta, Marjut
Georganaki, Maria
Enblad, Gunilla
Lindskog, Cecilia
Dimberg, Anna
Ullenhag, Gustav J.
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Article History
Received: 3 July 2019
Accepted: 20 March 2020
First Online: 22 April 2020
Ethics approval and consent to participate
: The local Research Ethics Committee in Uppsala, Sweden, as a part of Swedish Ethical Review Authority (ExternalRef removed), granted approval for the study (2009/139) and patients still alive gave their written informed consent. Relatives of deceased patients were according to the ethical approval not required to consent.
: Patients still alive gave their written informed consent for publication. However, in the current manuscript we do not present data on the individual level.
: The authors declare that they have no competing interests.
