Funding for this research was provided by:
Memorial Fund of Helga Jónsdóttir & Sigurliði Kristjánsson
Received: 3 August 2022
Accepted: 24 September 2022
First Online: 3 October 2022
: The study protocol was approved by the National Bioethics Committee and the Icelandic Data Protection Commission (1/10/20, VSN–19–04) with later addendums, and was conducted in accordance with the Declaration of Helsinki. As individual patients were not identified, the need for formal individual consent was waived<i>.</i>
: The authors declare that they have no competing interests.