Alkafaji, Hussein
Schmidt, Jesper https://orcid.org/0009-0003-6784-0434
Riis, Johannes
Zintchouk, Dmitri
Andersen, Stig
Funding for this research was provided by:
Aalborg University Hospital
Article History
Received: 24 June 2025
Accepted: 21 September 2025
First Online: 21 October 2025
Declarations
:
: Hussein Alkafaji, Jesper Schmidt, Johannes Riis, Dmitri Zintchouk, and Stig Andersen declare that they have no conflicts of interest that might be relevant to the contents of this manuscript. This research was conducted as part of the authors’ regular institutional duties and received no other financial support for the research, authorship, or publication of this article.
: Data were handled according to the General Data Protection Act, and the project was registered with the Danish Data Protection Agency (2024-013675). The study was conducted in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: The study was approved by the Region of Northern Jutland in Denmark (F2024-085), which waived the need for informed consent for access to patient charts. The retrospective design of the study in combination with the age of the participants made it unfeasible to gain informed consent from participants.
: All authors took part in study conception and design. Jesper Schmidt and Hussein Alkafaji, as co-first authors, contributed equally to the work. Jesper Schmidt and Hussein Alkafaji collected data. Jesper Schmidt, Hussein Alkafaji, and Johannes Riis handled data-management and analysis. Jesper Schmidt and Hussein Alkafaji drafted the manuscript, while all other coauthors critically revised it. All authors read and approved the final manuscript.
: The data that support the findings of this study are not openly available due to reasons of sensitivity and are available from the corresponding author upon reasonable request. Data are located in controlled access data storage at Aalborg University Hospital.
: Not applicable.