Anthun, Kjartan Sarheim
Lillefjell, Monica
Anthun, Kirsti Sarheim
Funding for this research was provided by:
Regional Research Fund Central Norway (284985, 284985, 284985)
Article History
Received: 9 January 2021
Accepted: 17 August 2021
First Online: 26 August 2021
Declarations
:
: The study was reported to and approved by the Norwegian centre for research data (NSD), application number 206419. The need for approval by regional ethics committee for health research was not deemed necessary by the Norwegian centre for research data, among other reasons since this study was classified as health services research and not health research.
: Not applicable. Data was collected retrospectively from patient administrative system, and no directly identifiable data (name, address) was available.
: The authors declare that they have no competing interests.