Lindahl, Oona
Ventä, Irja
Funding for this research was provided by:
University of Helsinki including Helsinki University Central Hospital
Article History
Received: 1 June 2022
Accepted: 17 May 2023
First Online: 26 May 2023
Declarations
:
: Our retrospective material did not include personal data of patients, as it was based on statistics alone. Therefore, ethics approval was not required according to the Finnish legislation. Permission for conducting this study was obtained from Social Services and Health Care of the City of Helsinki, Finland (registration no. HEL 2014–012907).
: Not required.
: The authors declare no competing interests.