Holopainen, Lotta S. http://orcid.org/0000-0003-2138-4878
Tähtinen, Hanna H.
Gissler, Mika http://orcid.org/0000-0001-8254-7525
Korhonen, Päivi E. http://orcid.org/0000-0002-5614-6442
Ekblad, Mikael O. http://orcid.org/0000-0001-8369-4359
Funding for this research was provided by:
University of Turku (UTU) including Turku University Central Hospital
Article History
Received: 2 November 2022
Accepted: 30 December 2022
First Online: 13 January 2023
Declarations
:
: The authors declare that they have no conflict of interest.
: The Finnish Institute for Health and Welfare (THL) performed the ethical review and granted the permission to use its confidential register data.
: As this study a study based on data from a register, informed consent statements for patient enrollment is not applicable.