Sundberg, Tiia-Marie
Wiberg, Nana
Källén, Karin
Zaigham, Mehreen
Funding for this research was provided by:
Lund University
Article History
Received: 2 August 2022
Accepted: 2 March 2023
First Online: 11 March 2023
Declarations
:
: All methods were carried out in accordance with relevant guidelines and regulations or Declaration of Helsinki. The study was approved by the Regional Ethics Committee in Lund, Dnrs 2009/222 and 2012/5 and the requirement for informed consent was waived by Regional Ethics Committee in Lund due to the retrospective and population-based design of the study.
: Not applicable.
: The authors declare that they have no competing interests.