Jeppesen, Elisabeth https://orcid.org/0000-0001-5949-9377
Cuevas-Ă˜strem, Mathias
Gram-Knutsen, Cathrine
Uleberg, Oddvar
Article History
Received: 13 February 2020
Accepted: 27 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: The study used anonymized patient data, collected by local and national approved health registries according to The Norwegian Health Research Act. The regional ethical committee (Reference number: REC Central Norway 2016/2169) categorized this as a quality improvement project. The local health trusts gave institutional approval.
: Not applicable.
: The authors declare that they have no competing interests or disclosures.