Funding for this research was provided by:
Received: 13 November 2020
Accepted: 9 April 2021
First Online: 21 April 2021
Change Date: 23 April 2021
Change Type: Update
Change Details: The family name of author Roger Olofsson Bagge has been corrected.
: All procedures were performed in accordance with the Declaration of Helsinki and approved by the Regional Ethical Review Board (Gothenburg, Sweden: 678–18).The requirement for informed consent was waived by the Regional Ethical Review Board (Gothenburg, Sweden: 678–18) due to the retrospective nature of the study not changing any treatment decisions for the included patients. The authors did not need administrative permission to access the raw data.
: Not applicable.
: The authors declare no competing interests.