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Authors
De Ryst, Johan Eriksson
Bergström, Sofia
Mravinacova, Sara
Bäckström, David
Qvarlander, Sara
Månberg, Anna
Eklund, Anders
Malm, Jan
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Funding
Funding for this research was provided by:
Umea University
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Article History
Received: 5 October 2025
Accepted: 13 April 2026
First Online: 21 April 2026
Declarations
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: The study was approved by the Swedish ethical review board and the ethical review board at Umeå University (reference number 2020–04469). This study was performed in accordance with the guidelines of the Declaration of Helsinki.
: All patients provided written consent to save CSF for future research purposes at the time of lumbar puncture. Participants in this study were informed about the study via a letter, which included an option to opt out if they did not wish to participate. Individuals deceased at the time inclusion began (2020) were automatically incorporated in the cohort.
: The authors declare no competing interests.
