Vinjevoll, Ole-Petter
Uleberg, Oddvar
Cole, Elaine
Article History
Received: 26 January 2018
Accepted: 1 August 2018
First Online: 10 August 2018
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.
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