Joensuu, Johanna M. http://orcid.org/0000-0002-6349-7419
Saarijärvi, Hannu http://orcid.org/0000-0001-5803-9037
Rouhe, Hanna http://orcid.org/0000-0002-8956-4464
Gissler, Mika http://orcid.org/0000-0001-8254-7525
Ulander, Veli-Matti http://orcid.org/0000-0002-5235-1668
Heinonen, Seppo http://orcid.org/0000-0001-5949-0874
Torkki, Paulus http://orcid.org/0000-0002-1127-4205
Mikkola, Tomi S. http://orcid.org/0000-0003-2049-088X
Article History
Received: 1 June 2021
Accepted: 6 June 2022
First Online: 23 June 2022
Declarations
:
: The Institutional review board gave the permission (HUS/483/2020) to use the data and waived the requirement of the informed consent for the study since it was a register-based study. We confirm that the study was performed in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.