Heikkinen, Jaakko https://orcid.org/0000-0002-8007-5090
Jokihaka, Viljami https://orcid.org/0000-0002-7092-2954
Nurminen, Janne https://orcid.org/0000-0003-2482-9051
Jussila, Ville https://orcid.org/0000-0003-2394-7910
Velhonoja, Jarno https://orcid.org/0000-0003-1988-9770
Irjala, Heikki https://orcid.org/0000-0003-3054-4677
Soukka, Tero https://orcid.org/0000-0002-1144-6724
Happonen, Tatu https://orcid.org/0000-0001-9756-4985
Järnstedt, Jorma https://orcid.org/0000-0003-1503-3078
Nyman, Mikko https://orcid.org/0000-0002-2104-6302
Mattila, Kimmo https://orcid.org/0000-0002-9522-9830
Hirvonen, Jussi https://orcid.org/0000-0002-0368-3746
Funding for this research was provided by:
Sigrid Juséliuksen Säätiö
Turun Yliopisto
Turun Yliopistollinen Keskussairaala
University of Turku (UTU) including Turku University Central Hospital
Article History
Received: 17 May 2022
Accepted: 19 July 2022
First Online: 9 August 2022
Declarations
:
: First author is a fellow in diagnostic neuroradiology. All authors have approved the article. All authors have considerably contributed to analyzing the article's data and writing to take full responsibility for its content. All authors have approved the final version. None of the authors have a conflict of interest.
: We obtained permission from the hospital district board for this retrospective cohort study in a single academic tertiary care referral center. We did not seek an institutional review board (IRB) review (approval or waiver) because the national legislature does not require this for retrospective studies of existing data.