Löfgren, David http://orcid.org/0000-0001-9858-6684
Valachis, Antonios http://orcid.org/0000-0001-6059-0194
Olivecrona, Magnus http://orcid.org/0000-0001-8457-4711
Funding for this research was provided by:
Region Örebro län (OLL-591961, OLL-869421, ALF funding)
Örebro University
Article History
Received: 5 January 2022
Accepted: 23 September 2022
First Online: 17 October 2022
Declarations
:
: This study was approved by the Regional Ethical Review Board, Uppsala, Sweden (Dnr 2016/014). In accordance with Swedish legislation and regulations regarding patient consent for participation in a national quality registry, patients were given written information about SBTR including the choice to opt-out from registration or for their data to be removed from the registry at any time. The need for consent to participate in this study was waived as per decision by the Regional Ethical Review Board, Uppsala, Sweden. No administrative permissions and/or licenses were acquired to access the patient data in the registry, except for the approval from the registry.
: Not applicable.
: Financial interests: The authors declare they have no financial interests. Non-financial interests: DL and MO are members of the Swedish CNS Tumour Registry control group. MO is a previous member of the Swedish Brain Tumour Registry control group.