Fosse, Rina Moe
Ambugo, Eliva Atieno
Moger, Tron Anders
Hagen, Terje P.
Tjerbo, Trond
Funding for this research was provided by:
Norges Forskningsråd (229092, 2726709)
Article History
Received: 20 May 2020
Accepted: 23 June 2021
First Online: 9 July 2021
Declarations
:
: Ethics approval for this study was gained from the Regional Ethics Committee south-east A, Norway (reference. no. 2013/1321).Use of data in this study was authorized by the data owners: Oslo Municipality (Gerica), The Norwegian Directorate of Health (Norwegian Patient Registry; Norway Control and Payment of Health Reimbursement (KUHR) database), Norwegian Institute of Public Health (the Norwegian Cause of Death Registry), and Statistics Norway (FD-Trygd). Statistics Norway carried out the linking of the data from the various registries.
: Not applicable.
: The authors declare that they have no competing interests.