Helleberg, Johan
Sundelin, Anna
Mårtensson, Johan
Rooyackers, Olav
Thobaben, Ragnar
Funding for this research was provided by:
Karolinska Institute
Article History
Received: 22 August 2024
Accepted: 15 July 2025
First Online: 24 July 2025
Declarations
:
: Swedish Ethical Review Authority (approval reference number 2019–06203, amendment reference numbers 2022-04189-02 and 2024-01320-02) approved this study with a waiver of informed consent. The study was submitted to, and approved by, a national ethics committee. The statements from the Swedish Ethical Review Authority (in Swedish) are attached as related files. This study is in compliance with the Declaration of Helsinki, ().
: Individuals cannot be identified and consent for publication is not deemed required. The interests of the authors have not been over prioritized. The best interests of the individual have been considered to the full extent possible. The authors confirm: That the work described has not been published before. That it is not under consideration for publication elsewhere. That its publication has been approved by the responsible authorities at the institutions where the work is carried out. The authors warrant that their contribution is original and that they have full power to make this consent.
: The authors declare no competing interests.