Hemmingsen, Dagny
Moster, Dag
Engdahl, Bo
Klingenberg, Claus
Funding for this research was provided by:
Helse Nord RHF (HNF1355-17)
Gerda Meyer Nyquist Gulbrandson and Gerdt Meyer Nyquist's Fund
Norwegian SIDS and Stillbirth Society
UiT The Arctic University of Norway
Article History
Received: 4 September 2023
Revised: 25 October 2023
Accepted: 28 October 2023
First Online: 22 November 2023
Declarations
:
: The study was performed in line with the principles of the Declaration of Helsinki. The study and linkage between the five registries were approved by the Regional Ethical Committee for medical and health research ethics (REK nr. 2018/1789).
: The study uses anonymized data from Norwegian national registries. According to Norwegian law, this type of study design does not require an informed consent from participants.
: The study does not publish any individual data that requires a separate consent.
: The authors declare no competing interests.