Funding for this research was provided by:
Received: 15 October 2020
Accepted: 19 February 2021
First Online: 8 March 2021
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and approved by the Regional Ethical Review Board in Gothenburg, University of Gothenburg, Box 100, 405 30, Gothenburg Sweden (Dnr: 702–16). Due to use of registry based data, patient consent was not available, thus the need for consent was waived by the ethical review board.
: Not applicable.
: R. Henriksson has been a consultant to BrainCool and Genagon, two small biotech companies without products on the market. A. Jakola has received honoraria for educational content from INOMED.