Waern, Maya
Mellander, Mats
Berg, Anton
Carlsson, Ylva
Funding for this research was provided by:
University of Gothenburg
Article History
Received: 2 May 2021
Accepted: 29 July 2021
First Online: 22 August 2021
Declarations
:
: The Regional Ethical Review Board in Gothenburg approved the study. Consent to be included in this study was waived by the Regional Ethical Review Board in Gothenburg (Registration number 1119–16). The database was coded, and has been registered in accordance with the Personal Data Act, and approved by the Data Protection Officer at Sahlgrenska University Hospital (Registration number 2017–00265). The work described in the article have been carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki).
: Not applicable.
: The authors have no conflicts of interest. Please refer to Funding.