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Authors
Jonsson, Maria
Hellström-Westas, Lena
Wikman, Per
Ågren, Johan
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Article History
Received: 11 December 2024
Revised: 22 May 2025
Accepted: 2 June 2025
First Online: 5 July 2025
Competing interests
: The authors declare no competing interests.
: According to current Swedish regulation, no informed consent is required for research using national registry data (Medical Birth Register, National Patient Register and Cause of death register). Patients could opt-out or consented to participate in the quality register (Swedish Neonatal Quality Register).
