Engvall, Gustav https://orcid.org/0009-0003-7850-4284
Elmsjö, Albert https://orcid.org/0000-0002-8053-3100
Ward, Liam J. https://orcid.org/0000-0002-3320-1461
Tamsen, Fredrik https://orcid.org/0000-0001-5038-7512
Green, Henrik https://orcid.org/0000-0002-8015-5728
Kugelberg, Fredrik C. https://orcid.org/0000-0002-7886-631X
Söderberg, Carl https://orcid.org/0000-0001-7074-6578
Funding for this research was provided by:
Swedish National Board of Forensic Medicine
Article History
Received: 26 January 2026
Accepted: 20 August 2026
First Online: 27 August 2026
Declarations
Human ethics: The research has been approved by the Linköping regional board of the Swedish Ethical Review Authority (Dnr 2019-04530).
Consent to participate: Not applicable. This research study was conducted retrospectively on data previously obtained in conjunction with toxicological investigation of forensic autopsies.
Competing interests: The authors have no competing interests to declare that are relevant to the content of this article.